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French Onion Soup recipe (Soupe à l’Oignon Gratinée) 

French Onion Soup Casserole Recipe: A Delicious Twist on a Classic Dish

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Looking for a warm and comforting meal that’s perfect for any occasion? Look no further than this French Onion soup casserole recipe! This delicious dish is a twist on the classic soup, combining all the rich flavors of caramelized onions, broth, and melted cheese in a hearty casserole that’s sure to satisfy. It’s a french onion casserole the whole family will love!

Get ready to embark on a culinary journey with the incredible French Onion Soup Casserole! This mouthwatering dish is a fusion of comforting flavors and wholesome ingredients that will make you come back for a second good bowl of french onion soup. Brace yourself for a delectable vegetarian delight that is both easy to make and absolutely delicious on any dinner table.

Are you looking for a show-stopping recipe that will impress your guests? Look no further than this easy French Onion Soup Casserole. With its simple steps and tantalizing flavors, it’s a fantastic option for any occasion. Whether you’re hosting a gathering or simply craving a comforting meal, this casserole will hit all the right spots.

Savor the savory goodness of caramelized onions, perfectly seasoned and combined with vegetarian-friendly ingredients. This Vegetarian French Onion Soup Casserole takes the classic recipe to new heights, providing a delightful alternative for those who appreciate meatless options. Indulge in the comforting flavors of French onion soup, all in a delightful casserole format. If you’re looking for a good casserole you can serve as a main dish that the whole family will love, then this is the easy casserole recipe you need!

Why you and your whole family will love onion soup

One bite of this comforting Onion Soup Casserole will transport you to a world of warmth and satisfaction. With each spoonful, you’ll experience the rich flavors of Gruyere cheese melting into a heavenly combination with the onions. The result? A symphony of flavors that will dance on your palate and leave you craving for more.

Looking for other vegetarian casserole recipes? This dish has got you covered! Whether you’re a vegetarian by choice or simply enjoy exploring meatless options, this Vegetarian French Onion Soup Casserole will become a staple in your recipe repertoire. It’s a delightful way to incorporate wholesome ingredients and create a comforting meal that everyone will love.

In the realm of comfort food, this Homemade French Onion Soup Casserole reigns supreme. Its luscious layers of flavors, combined with the warm and gooey Gruyere cheese, will bring a smile to your face and warmth to your heart. Treat yourself to this delightful creation and experience the sheer joy of a well-crafted casserole.

So, what are you waiting for? Dive into the world of French Onion Soup Casserole and discover a culinary masterpiece that will satisfy your taste buds and warm your soul. With its irresistible combination of flavors, easy preparation, and comforting nature, it’s a recipe that will become an instant favorite. Get ready to indulge in the magic of this delicious casserole and create unforgettable dining experiences.

Making French onion soup

To make this dish, you’ll need just a few simple ingredients, including sliced onions, vegetable broth, bread, and Gruyere cheese. The onions are cooked until they’re caramelized and tender, then combined with the broth and bread in a baking dish. The whole thing is then topped with plenty of shredded cheese and baked until golden brown and bubbly. The result is a rich, savory casserole that’s perfect for a cozy night in or a special occasion with friends and family.

Whether you’re a fan of French Onion soup or just looking for a delicious new casserole recipe to try, this dish is sure to become a new favorite. So why not give it a try and see for yourself? You won’t be disappointed!

What we’re covering in this Easy french onion soup casserole – best creamy recipe

History of French Onion Soup 

French onion soup, a beloved classic, has its origins deeply rooted in French culinary history. The origins of this delightful dish can be traced back to the 18th century in France.

Onions, the star ingredient of this soup, have long been a staple in French cuisine due to their versatility and availability. In the 18th century, onions were widely consumed by all social classes as they were affordable and easily accessible.

French onion soup gained popularity among the working class, particularly among the Parisian market porters known as “Les Halles.” These hardworking individuals would start their day early in the morning and needed a hearty and satisfying meal to keep them going. French onion soup, with its rich and savory flavors, was the perfect choice.

Traditionally, the soup is made by slowly caramelizing sliced onions in butter or oil until they turn a deep golden brown. This process brings out the natural sweetness of the onions and creates a rich, complex flavor base. The caramelized onions are then simmered in a flavorful beef or vegetable broth and often enhanced with a splash of white wine.

A classic soup that’s stood the test of time

The soup is typically topped with a thick slice of bread, such as a baguette, and generously covered with melted cheese, traditionally Gruyere or Emmental. The entire dish is then broiled until the cheese becomes golden and bubbly, creating a delightful cheesy crust.

French onion soup has endured through the centuries and has become an iconic dish of French cuisine. It has found its way into kitchens and restaurants around the world, captivating food lovers with its comforting flavors and rustic charm.

Today, French onion soup continues to be enjoyed as a classic appetizer or main course in many French restaurants and households. Its deep flavors, fragrant aroma, and satisfying nature make it a timeless favorite that warms both the body and the soul.

What are some other names for French onion soup – soup L Oignon

French onion soup is primarily known by its name “French onion soup” worldwide. However, in France, it is commonly referred to as “Soupe à l’oignon” or “Gratinée à l’oignon.” These are the traditional names used for this beloved soup in French cuisine. In English-speaking regions, it is generally known as French onion soup, and there aren’t many alternative names commonly used for it. However, variations of the soup may be named based on specific ingredients or preparations, such as “vegetarian French onion soup” or “caramelized onion soup.”

Traditional wine used in French onion soups 

Traditionally, a dry white wine or a dry red wine is used in French onion soup to enhance the flavor of the onions and add depth to the broth. White wine varieties like Sauvignon Blanc or dry white Vermouth are commonly used. Red wine varieties such as Burgundy, Cabernet Sauvignon, or red Vermouth can also be used to impart a rich and robust flavor to the soup. The choice of wine depends on personal preference and the desired taste profile of the soup. It’s important to use a wine that you enjoy drinking since its flavor will contribute to the overall taste of the soup.

Alternatives to wine in French onion soup 

If you prefer to omit wine from your French onion soup, there are a few alternatives you can consider to add flavor:

1. Vegetable broth: Use vegetable broth as a substitute for wine. It will add depth and richness to the soup without the alcohol content.

2. Balsamic vinegar: A small amount of balsamic vinegar can provide a tangy and slightly sweet flavor that complements the onions. Start with a teaspoon or two and adjust to taste.

3. Apple cider or apple juice: Apple cider or apple juice can add a hint of sweetness and fruitiness to the soup. Use it sparingly to avoid overpowering the other flavors.

4. Mushroom broth: If you enjoy a savory and earthy taste, try using mushroom broth instead of wine. It will enhance the umami flavor of the soup.

5. Worcestershire sauce: A few dashes of Worcestershire sauce can add a savory and tangy element to the soup. It pairs well with the caramelized onions.

Remember to adjust the seasoning accordingly when using these alternatives, as the flavors may vary. Taste the soup as you go and add additional seasonings as needed to achieve a well-balanced and flavorful result.

Tips and Tricks for making the best French onion soup 

Here are some tips and tricks to help you make the best French onion soup:

1. Caramelize the onions: The key to a rich and flavorful French onion soup is properly caramelizing the onions. Saute onions slowly over low heat in a saute pan or sauce pan until they turn a deep golden brown color, which will bring out their natural sweetness and add depth to the soup. The sweet caramelized onions is the base of a family favorite french onion casserole.

2. Use a combination of onions: For a well-rounded flavor, use a combination of sweet onions like Vidalia or Spanish onions, along with a few shallots. This combination adds complexity and depth to the soup.

3. Choose a good broth: Opt for a high-quality vegetable or mushroom broth as the base for your French onion soup. The broth will greatly impact the overall flavor, so choose one with a rich and savory taste.

4. Add herbs and spices: To enhance the flavor, add a bouquet garni (a bundle of herbs tied together) containing thyme, bay leaves, and parsley. These aromatic herbs will infuse the soup with their flavors. Additionally, a touch of Worcestershire sauce or balsamic vinegar can add a tangy depth to the soup.

5. Choose the right cheese: French onion soup cheese makes this delicious soup! Traditional French onion soup is topped with Gruyère cheese, which melts beautifully and adds a rich and nutty flavor. Be generous with the cheese and make sure it covers the entire surface of the soup.

Extra tips to get the crispy golden crust

6. Toast the bread: Before placing the bread on top of the soup, toast it lightly to give it a crunchy texture. This prevents the bread from becoming too soggy.

7. Broil for a golden crust: To finish the soup, broil it in the oven for a few minutes until the cheese is melted and bubbly, and the bread has a golden crust. Keep a close eye on it to avoid burning.

8. Let it rest: Allow the soup to cool slightly before serving. This will help the flavors meld together, resulting in a more harmonious and delicious soup.

By following these tips, you’ll be on your way to making a flavorful and satisfying French onion soup. Enjoy!

Easy French onion soup casserole Ingredients

For the French onion Soup

Here’s a delicious vegetarian French onion soup casserole recipe:

French onion soup casserole Ingredients:

  • 4 large onions, thinly sliced (about 4 cups or 400 grams)
  • 3 tablespoons butter or olive oil
  • 3 cloves garlic, minced
  • 1 tablespoon balsamic vinegar
  • 2 tablespoons all-purpose flour (about 25 grams)
  • 4 cups vegetable broth
  • 1 tablespoon soy sauce
  • 1 teaspoon dried thyme
  • Salt and pepper to taste

For the Topping

For the topping of the French Onion soup casserole, you will need the following ingredients:

  • 4-6 slices of crusty bread, toasted
  • 1 ½ cups shredded Gruyere cheese, cheddar cheese, or Swiss cheese (about 150 grams) – alternatively, you can use your favorite vegan gooey cheese. 
  • Fresh thyme leaves for garnish (optional)

Optional:

– ½ cup white wine or red wine (120 ml)

To summarize, you will need onions, butter, garlic, vegetable broth, red wine, thyme leaves, salt, black pepper, baguette, Gruyere cheese, unsalted butter, Parmesan cheese, and fresh thyme or parsley to make this delicious French Onion soup casserole.

Preparation Steps

Preparing the Onions

To make a delicious French Onion soup casserole, you need to start by preparing the onions. Here are the steps you need to follow:

  1. Peel and slice the onions into thin rings.
  2. Heat a large skillet over medium heat and add butter.
  3. Once the butter has melted, add the onions to the skillet and stir to coat them with butter.
  4. Cook the onions for about 30-40 minutes, stirring occasionally, until they are caramelized and golden brown.

Making the Soup

The soup is the heart of the French Onion soup casserole, and it’s important to get it right. Here’s how you can make the soup:

  1. In a large pot, melt butter over medium heat.
  2. Add flour and whisk until smooth.
  3. Gradually add vegetable broth and whisk until the mixture is smooth as you heat the soup.
  4. Add thyme, bay leaf, salt, and pepper to the pot.
  5. Bring the soup to a boil, then reduce the heat and let it simmer for 20-30 minutes.

Preparing the Topping

The topping is what makes the French Onion soup casserole so delicious. Here’s how you can prepare it:

  1. Preheat the oven to 375°F.
  2. In a small bowl, mix together breadcrumbs, grated Parmesan cheese, and melted butter.
  3. Layer onions in the bottom of a casserole dish.
  4. Pour soup mixture over the onions.
  5. Place crusty bread slices on top of the soup. Push bread lightly into the soup. Sprinkle the cheese mixture over the top of bread. 
  6. Bake the casserole for 25-30 minutes, or until the topping is golden brown and crispy.
  7. Top with vegan cream cheese and a garnish of fresh herbs and serve.

By following these simple steps, you can make a delicious French Onion soup casserole that’s sure to impress your family and friends.

Baked onion soup casserole recipe

Here’s a delicious vegetarian French onion soup casserole recipe for 4 people, with measurements in cups and grams:

French onion soup casserole recipe Ingredients:

  • 4 large onions, thinly sliced (about 4 cups or 400 grams)
  • 3 tablespoons butter or olive oil
  • 3 cloves garlic, minced
  • 1 tablespoon balsamic vinegar
  • 2 tablespoons all-purpose flour (about 25 grams)
  • 4 cups vegetable broth
  • 1 tablespoon soy sauce
  • 1 teaspoon dried thyme
  • Salt and pepper to taste
  • 4-6 slices of crusty bread, toasted
  • 1 ½ cups shredded Gruyere or Swiss cheese (about 150 grams)
  • Fresh thyme leaves for garnish (optional)

Optional:

– ½ cup red wine (120 ml)

How to make French onion soup casserole Instructions:

1. In a large skillet or Dutch oven, melt the butter or heat the olive oil over medium heat. Add the sliced onions and sauté for about 25-30 minutes until caramelized, stirring occasionally.

2. Add the minced garlic and balsamic vinegar to the skillet and cook for an additional 1-2 minutes, until fragrant.

3. Sprinkle the flour over the onions and stir to coat evenly. Cook for 1-2 minutes to cook off the raw flour taste.

4. Optional: If using red wine, add it to the skillet and cook for 2-3 minutes to allow the alcohol to evaporate.

5. Slowly pour in the vegetable broth, stirring constantly to prevent lumps from forming. Add the soy sauce, dried thyme, salt, and pepper. Bring the mixture to a simmer and cook for 10-15 minutes to allow the flavors to meld together.

6. Preheat your oven to 400°F (200°C).

7. Ladle the onion soup into an oven-safe casserole dish. Arrange the toasted bread slices on top of the soup, covering it completely.

8. Sprinkle the shredded Gruyere or Swiss cheese over the bread slices, making sure to cover them evenly.

9. Place the casserole dish in the preheated oven and bake for about 15-20 minutes until the cheese is melted and bubbly.

10. Remove the casserole from the oven and let it cool slightly before serving. Garnish with fresh thyme leaves, if desired.

Enjoy the comforting and flavorful vegetarian French onion soup casserole for 4 people!

How to make French onion soup in instant pot 

To make Instant Pot French onion soup, follow these steps:

1. Set your Instant Pot to “Sauté” mode and add the butter or olive oil. Once heated, add the thinly sliced onions and sauté for about 10 minutes until they become soft and caramelized.

2. Add the minced garlic and continue sautéing for another minute until fragrant.

3. Stir in the balsamic vinegar and cook for a minute to deglaze the pot.

4. Sprinkle the flour over the onion mixture and stir well to coat the onions evenly.

5. If using red wine, add it to the pot and stir for a minute to allow the alcohol to cook off.

6. Pour in the vegetable broth and soy sauce. Add the dried thyme, salt, and pepper to taste. Give it a good stir to combine all the ingredients.

7. Cancel the “Sauté” mode and close the Instant Pot lid. Set it to “Manual” or “Pressure Cook” mode on high pressure for 10 minutes.

8. Once the cooking time is complete, allow for a natural pressure release for about 10 minutes, then do a quick release to release any remaining pressure.

Bringing it all together: Instant pot onion soup

9. Carefully open the lid and give the soup a stir. Adjust the seasoning if needed.

10. Preheat your oven’s broiler. Ladle the soup into oven-safe bowls or crocks, leaving some space at the top. Place a slice of toasted crusty bread on top of each bowl and sprinkle with shredded Gruyere or Swiss cheese.

11. Place the bowls on a baking sheet and transfer them under the broiler until the cheese is melted and bubbly, usually around 2-3 minutes.

12. Remove from the oven and let the soup cool slightly before serving. Garnish with fresh thyme leaves if desired.

Enjoy your delicious homemade French onion soup made in the Instant Pot!

Crockpot French onion soup 

To make French onion soup in a crockpot or slow cooker, follow these steps:

1. Heat a skillet or stovetop-safe slow cooker insert over medium heat. Add the butter or olive oil and melt it. Once heated, add the thinly sliced onions and sauté for about 10 minutes until they become soft and caramelized.

2. Add the minced garlic and continue sautéing for another minute until fragrant.

3. Stir in the balsamic vinegar and cook for a minute to deglaze the pan.

4. Sprinkle the flour over the onion mixture and stir well to coat the onions evenly.

5. If using red wine, add it to the skillet and stir for a minute to allow the alcohol to cook off.

6. Transfer the onion mixture to the crockpot or slow cooker. Add the vegetable broth, soy sauce, dried thyme, salt, and pepper. Stir to combine all the ingredients.

7. Cover the crockpot or slow cooker and cook on low heat for 6-8 hours or on high heat for 3-4 hours. This slow cooking process will allow the flavors to meld together.

8. Once the soup has finished cooking, taste and adjust the seasoning if needed.

Baking and broiling onion soup

9. Preheat your oven’s broiler. Ladle the soup into oven-safe bowls or crocks, leaving some space at the top. Place a slice of toasted crusty bread on top of each bowl and sprinkle with shredded Gruyere or Swiss cheese.

10. Place the bowls on a baking sheet and transfer them under the broiler until the cheese is melted and bubbly, usually around 2-3 minutes.

11. Remove from the oven and let the soup cool slightly before serving. Garnish with fresh thyme leaves if desired.

Now you can enjoy your homemade French onion soup cooked in a crockpot or slow cooker, with all the flavors melded together beautifully.

How do you deepen the flavor of French onion soup 

To deepen the flavor of French onion soup, you can incorporate a few techniques and ingredients:

1. Caramelize the onions: Caramelizing the onions over low heat for an extended period allows them to develop a rich, sweet flavor. This process can take around 45 minutes to an hour. Stirring occasionally and being patient will help achieve a deep flavor.

2. Use a flavorful broth: Choose a quality beef broth or a combination of beef and vegetable broth for a robust and savory base. Homemade broth or high-quality store-bought options can enhance the overall flavor.

3. Add wine: Adding a splash of dry red or white wine can contribute depth and complexity to the soup’s flavor. The wine helps deglaze the pan, extracting and enhancing the caramelized onion flavors.

4. Incorporate herbs and seasonings: Herbs like thyme and bay leaves complement the flavors of French onion soup. Adding a few sprigs of fresh thyme or a couple of dried bay leaves during the simmering process can add aromatic notes and depth.

5. Let it simmer: Allowing the soup to simmer for an extended period, preferably at least 30 minutes, will further meld the flavors together, intensifying the taste.

6. Top with Gruyère cheese: The layer of melted Gruyère cheese on top of French onion soup adds richness and enhances the overall flavor. The cheese melts and mixes with the soup, adding a creamy and savory element.

By implementing these techniques and ingredients, you can deepen the flavor of your French onion soup and create a more complex and satisfying taste experience.

What is the difference between onion soup and French onion soup 

The main difference between onion soup and French onion soup lies in the preparation and presentation. Here’s a breakdown of the key distinctions:

1. Origin: Onion soup is a general term for any soup made with onions as the primary ingredient. It can be found in various cuisines around the world. On the other hand, French onion soup specifically refers to a classic French dish with a specific recipe and preparation.

2. Caramelized Onions: Both onion soup and French onion soup feature caramelized onions as a key component. However, in French onion soup, the onions are cooked low and slow until they turn golden brown and develop a rich, sweet flavor.

3. Broth: Onion soup typically uses a basic vegetable or beef broth as a base. In contrast, French onion soup traditionally uses a flavorful beef broth, which contributes to its distinct taste.

4. Cheese and Croutons: One of the defining elements of French onion soup is the layer of toasted bread or croutons topped with melted cheese. Gruyère cheese is commonly used in the traditional preparation, adding a rich and savory element to the soup.

5. Presentation: French onion soup is often served in individual oven-safe bowls or crocks. The soup is topped with a slice or two of toasted bread or croutons, generously covered with melted cheese. The bowls are then broiled or baked until the cheese is bubbly and golden brown.

Overall, while both onion soup and French onion soup share a common ingredient of onions, the specific preparation, use of broth, and the addition of cheese and croutons are what distinguish the classic French onion soup as a unique and beloved dish.

Delicious ways to serve French onion soup casserole recipe 

French onion soup casserole is a flavorful dish that can be enjoyed on its own or paired with complementary accompaniments. Here are some delicious ways to serve French onion soup casserole:

1. Crusty Bread: Serve the casserole with slices of crusty bread on the side. The bread can be toasted or grilled for added texture and flavor. Dip the bread into the rich, savory broth of the casserole.

2. Salad: Pair the casserole with a fresh green salad or a side of mixed greens dressed with a light vinaigrette. The crispness and acidity of the salad can provide a refreshing contrast to the rich and hearty casserole.

3. Roasted Vegetables: Serve the casserole alongside a medley of roasted vegetables. Roasted carrots, Brussels sprouts, or potatoes can add a delicious and wholesome element to the meal.

4. Gruyere Cheese Topping: Sprinkle some grated Gruyere cheese on top of the casserole before serving. Place the casserole under the broiler for a few minutes until the cheese is melted and golden brown. The melted cheese adds a delightful richness and gooey texture to the dish.

5. Fresh Herbs: Garnish the casserole with chopped fresh herbs like parsley, thyme, or chives. The herbs provide a pop of freshness and add a touch of color to the dish.

Remember to adjust the serving portions based on the number of people you’re serving, and feel free to get creative with your accompaniments to suit your taste preferences. Enjoy the delicious flavors of French onion soup casserole!

Best bread to use as topping for French onion soup 

The best bread to use as a topping for French onion soup is typically a crusty bread that can hold up to the rich broth and provide a satisfying texture. Here are a few bread options that work well as toppings:

1. Baguette: A classic choice, baguette slices are long and slender, with a crisp crust and a soft interior. They can be toasted or grilled before placing them on top of the soup.

2. Sourdough: Sourdough bread has a tangy flavor and a sturdy texture, which makes it a great choice for soaking up the flavorful broth without becoming too soggy. Slice the bread and toast it before adding it to the soup.

3. Ciabatta: Ciabatta is an Italian bread known for its airy texture and irregular holes. It has a crisp crust that becomes delightfully chewy when soaked in the soup. Cut the ciabatta into thick slices and toast them before placing them on the soup.

4. Gruyere Cheese Bread: Take your bread topping to the next level by using Gruyere cheese bread. This bread is typically made with grated Gruyere cheese incorporated into the dough, resulting in a bread with a rich, cheesy flavor. It pairs beautifully with French onion soup and adds an extra layer of deliciousness.

5. Croutons: crusty crunchy croutons are great with the rich broth and caramelized onions! It’s a quick topping to add extra crunch and deliciousness to your tasty onion soup.

Ultimately, the best bread for French onion soup topping is a matter of personal preference. Choose a bread that you enjoy and that complements the flavors of the soup.

How to store leftover French onion soup 

To store leftover French onion soup, follow these steps:

1. Allow the soup to cool: Let the soup cool at room temperature for about 1 hour before storing. This helps prevent condensation and moisture buildup in the storage container.

2. Transfer to an airtight container: Pour the soup into an airtight container, such as a glass or plastic container with a tight-fitting lid. Make sure the container is clean and dry before adding the soup.

3. Refrigerate promptly: Place the container of French onion soup in the refrigerator as soon as possible. This helps maintain its freshness and prevents the growth of bacteria.

4. Label and date the container: It’s a good practice to label the container with the contents and the date of storage. This makes it easier to keep track of how long the soup has been stored.

5. Store in the refrigerator: French onion soup can be stored in the refrigerator for up to 3-4 days. After that, it’s best to discard any remaining soup to ensure food safety.

6. Reheat before serving: When you’re ready to enjoy the leftover soup, simply reheat it on the stovetop over medium heat until heated through. Stir occasionally to ensure even heating.

Remember to always use proper food storage practices and trust your senses to determine if the soup is still fresh and safe to consume. If there are any signs of spoilage, such as an off odor or unusual appearance, it’s best to discard the soup. 

How to freeze soup in mason jars

Freezing onion soup in Mason jars is a convenient way to store and preserve it. Here’s a step-by-step guide on how to do it:

1. Cool the Soup: Allow the onion soup to cool completely before transferring it to the Mason jars. This helps prevent condensation and potential breakage when freezing.

2. Choose Appropriate Jars: Select wide-mouth Mason jars suitable for freezing. It’s important to leave enough headspace in the jar to allow for expansion as the soup freezes.

3. Fill the Jars: Ladle the cooled onion soup into the jars, leaving about an inch of headspace at the top. This space allows for expansion during freezing.

4. Seal the Jars: Place the lids on the jars and screw them on firmly but not overly tight. Make sure the jars are clean and dry to ensure a proper seal.

5. Label and Date: Use a permanent marker to label the jars with the contents and date of freezing. This helps you keep track of the contents and use them in a timely manner.

6. Freeze the Jars: Place the filled Mason jars in the freezer, ensuring they are positioned upright to prevent leakage. It’s recommended to leave some space between the jars initially to allow for proper air circulation.

How to thaw onion soup

7. Thawing and Reheating: When you’re ready to enjoy the onion soup, remove a jar from the freezer and let it thaw in the refrigerator overnight. Alternatively, you can run the jar under cool water to speed up the thawing process. Once thawed, transfer the soup to a saucepan and reheat it gently on the stovetop, stirring occasionally.

Remember to follow safe freezing practices and avoid overfilling the jars to prevent breakage. Properly frozen onion soup can typically be stored in the freezer for up to three months, though it’s best to consume it within one to two months for optimal flavor and quality.

Herbs for soup

There are several herbs that can enhance the flavors of onion soup and add depth to the dish. Here are some great herbs to consider:

1. Thyme: Thyme is a classic herb used in French cuisine and pairs wonderfully with onions. Its earthy and slightly floral flavor complements the savory notes of the soup.

2. Bay leaves: Bay leaves impart a subtle, aromatic flavor to the soup. They add a touch of complexity and depth to the overall taste.

3. Parsley: Fresh parsley can be sprinkled over the soup as a garnish just before serving. It adds a fresh and vibrant element to the dish.

4. Rosemary: Rosemary has a distinct pine-like aroma and a slightly peppery flavor. It can be used sparingly in onion soup to add a unique herbal note.

5. Sage: Sage has a strong, earthy flavor that pairs well with the sweetness of caramelized onions. Use it sparingly as it can be quite potent.

6. Marjoram: Marjoram has a mild and slightly sweet flavor, similar to oregano but more delicate. It can be added to onion soup to enhance its overall taste.

Remember to use these herbs sparingly and adjust the quantities according to your personal taste preferences. Adding a combination of these herbs can create a flavorful and aromatic onion soup that is sure to delight your taste buds. 

Clear soup vs miso

Miso soup vs clear soup: both are popular types of soup in Japanese cuisine, but they differ in several aspects:

1. Base: Clear soup, as the name suggests, is a clear broth-based soup. It is typically made by simmering ingredients like vegetables, meat, or seafood in a flavorful broth and straining it to remove any solid particles. It’s a soup base that’s used in a variety of cuisines. Miso soup, on the other hand, has a base of dashi, which is a Japanese stock made from kombu (dried seaweed) and bonito flakes (dried fish flakes). Miso paste is then added to the dashi to create a savory and slightly fermented flavor.

2. Flavor: Clear soup has a lighter and more delicate flavor profile, allowing the natural taste of the ingredients to shine through. It is often seasoned with soy sauce, salt, or other seasonings to enhance the taste. Miso soup, on the other hand, has a richer and more umami-packed flavor due to the addition of miso paste. Miso adds a depth of flavor and a slightly salty and fermented taste to the soup.

3. Ingredients: Clear soup can contain various ingredients such as vegetables, mushrooms, tofu, meat, or seafood. The specific ingredients used depend on the recipe or regional variations. Miso soup typically includes ingredients like tofu, seaweed (such as wakame), and green onions. It can also incorporate other additions like mushrooms, vegetables, or seafood, depending on personal preferences.

4. Health benefits: Miso soup is often praised for its health benefits due to the fermentation process of miso paste, which can provide probiotics and other nutrients. Miso is also known for its potential immune-boosting and digestion-enhancing properties. Clear soup, particularly when made with vegetables and lean proteins, can be a nutritious and low-calorie option, providing vitamins, minerals, and hydration.

Summary

In summary, clear soup is a lighter, broth-based soup with a simple and clean flavor, while miso soup has a richer and more complex taste due to the addition of miso paste. Both soups have their own unique characteristics and can be enjoyed as part of a balanced and varied diet. 

Soup pot vs stock pot

A soup pot and a stock pot are both versatile cooking vessels used for making soups, stocks, and other liquid-based dishes. While there may be some variations in size and design, the main difference between the two is their intended use:

1. Soup Pot: A soup pot, also known as a Dutch oven, is typically a heavy-bottomed pot with a tight-fitting lid. It is designed for slow and even cooking, making it suitable for simmering soups, stews, and braises. Soup pots are often made of materials like cast iron or stainless steel, which distribute heat evenly and retain it well. They are ideal for preparing large quantities of soup and dishes that require longer cooking times.

2. Stock Pot: A stock pot is specifically designed for making stocks and broths, which involve simmering ingredients for an extended period. These pots are typically tall and narrow with a large capacity. Stock pots are often made of stainless steel or aluminum, which are lightweight and conduct heat efficiently. They have a wide bottom surface area, allowing for the extraction of flavors from the ingredients and efficient evaporation during the stock-making process.

In summary, while both soup pots and stock pots can be used for cooking soups and stocks, a soup pot is more versatile and suitable for a wider range of dishes, including soups, stews, and braises. On the other hand, a stock pot is specifically designed for making stocks and broths, with a taller and narrower shape optimized for long-simmering processes. The choice between the two will depend on your specific cooking needs and the quantities of food you intend to prepare.

FAQs – French onion soup 

What is French onion soup?

French onion soup is a hearty and flavorful soup made with caramelized onions, broth, and typically topped with bread and melted cheese.

How do you caramelize onions for French onion soup?

To caramelize onions for French onion soup, thinly slice them and cook them slowly in butter or oil over low heat until they become golden brown and sweet. This process usually takes around 30-45 minutes.

What type of onions are best for French onion soup?

Yellow onions are commonly used for French onion soup due to their balanced flavor and ability to caramelize well. However, you can also use red or white onions depending on your preference.

Can French onion soup be made vegetarian?

Yes, French onion soup can be easily adapted to a vegetarian version by using vegetable broth instead of beef broth. The caramelized onions and flavors from herbs and spices still create a delicious vegetarian option.

What kind of cheese is traditionally used in French onion soup?

Gruyere cheese is the traditional choice for French onion soup. Its nutty and slightly sweet flavor complements the onions perfectly. However, other cheeses like Emmental, Swiss, or even Mozzarella can be used as well.

Storage and more

Can I make French onion soup ahead of time?

Yes, French onion soup can be made ahead of time. You can prepare the caramelized onions and store them in the refrigerator. When ready to serve, heat the onions with the broth, top with bread and cheese, and broil until the cheese is melted and bubbly.

Can I freeze French onion soup?

While it’s possible to freeze French onion soup, the texture of the onions may change after thawing, and the cheese topping might not retain its original texture. It’s generally best to enjoy French onion soup fresh or refrigerate leftovers for a few days.

What can I serve with French onion soup?

French onion soup pairs well with a crusty baguette or toasted bread on the side. A simple green salad or a side of mixed greens can also complement the rich flavors of the soup.

Remember, French onion soup is a versatile dish, and you can adjust the ingredients and flavors to suit your taste preferences. Enjoy this comforting soup as an appetizer or a satisfying meal.

Onions FAQs

How long can green onions last in fridge

Green onions, also known as scallions, can typically last in the refrigerator for about one to two weeks. To keep them fresh, it’s best to store them properly. Here are some tips:

1. Trim the roots: Before storing green onions, trim the roots to remove any dirt or debris.

2. Wrap in damp paper towel: Wrap the green onions loosely in a damp paper towel. This helps to maintain their moisture and prevent wilting.

3. Place in a plastic bag: Put the wrapped green onions in a plastic bag or airtight container to keep them fresh and prevent them from drying out.

4. Store in the refrigerator: Place the bag or container with the green onions in the vegetable drawer or a cool part of the refrigerator.

By following these storage guidelines, you can help prolong the freshness of green onions and enjoy them for a longer period. However, keep in mind that the exact shelf life may vary based on the freshness of the onions when purchased. It’s always a good idea to check for any signs of spoilage before using them.

Composting onions

Can I compost onions

Yes, you can compost onions. Onions and their skins are suitable for composting and can contribute valuable organic matter to your compost pile. However, there are a few things to keep in mind when composting onions:

1. Chop or dice them: To speed up the decomposition process, it’s beneficial to chop or dice the onions into smaller pieces. This increases the surface area and helps them break down more quickly.

2. Balance the compost: Onions are considered high in nitrogen, so it’s important to balance them with carbon-rich materials, such as dry leaves, straw, or shredded paper. This helps maintain the proper carbon-to-nitrogen ratio in your compost.

3. Avoid adding large quantities: While onions can be composted, it’s recommended not to add excessive amounts all at once. Large quantities of onions can create a strong odor in the compost pile, which may attract pests or cause imbalances in the composting process.

4. Monitor moisture levels: Onions have a high water content, so they can contribute moisture to the compost pile. Be mindful of the moisture levels and adjust as needed to maintain proper composting conditions.

By incorporating onions into your compost pile in moderation and following these guidelines, you can effectively compost them along with other organic materials

French onion soup casserole nutrition

French onion soup nutritional value

Calculating the exact number of calories in a recipe can vary based on specific brands and quantities used, but here’s an estimated breakdown of the calorie content for the French onion soup casserole recipe (based on commonly used ingredients):


– Onions: Approximately 160 calories (40 calories per large onion)
– Butter or olive oil: Approximately 360 calories (90 calories per tablespoon)
– Garlic: Approximately 12 calories (3 calories per clove)
– Balsamic vinegar: Approximately 14 calories (1 tablespoon)
– All-purpose flour: Approximately 62 calories (8 calories per tablespoon)
– Vegetable broth: Approximately 60 calories (15 calories per cup)
– Soy sauce: Approximately 11 calories (1 tablespoon)
– Dried thyme: Negligible calorie content
– Salt and pepper: Negligible calorie content
– Crusty bread: Approximately 320-480 calories (80-120 calories per slice, depending on the type and size)
– Shredded Gruyere or Swiss cheese: Approximately 600 calories (150 calories per 1 ½ cups)
– Fresh thyme leaves: Negligible calorie content
– Optional: Red wine: Approximately 60 calories (per ½ cup)


Please note that these are rough estimates and the actual calorie content may vary. To get a more accurate calculation, it’s recommended to use a reliable recipe calculator or consult the nutritional information on specific product packaging.

French onion soup Calories per serving

How many calories in French onion soup

It depends on the ingredients you use. There is approximately 410 calories per portion of French onion soup.

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French Onion Soup recipe (Soupe à l’Oignon Gratinée)

Looking for a warm and comforting meal that's perfect for any occasion? Look no further than this French Onion soup casserole recipe! This delicious dish is a twist on the classic soup, combining all the rich flavors of caramelized onions, broth, and melted cheese in a hearty casserole that's sure to satisfy. It's a french onion casserole the whole family will love!
Simone – Munchyesta.com
Prep Time 10 minutes
Cook Time 35 minutes
Serving Size 4 people

Ingredients

French onion soup casserole Ingredients:

  • 4 large onions thinly sliced (about 4 cups or 400 grams)
  • 3 tablespoons butter or olive oil
  • 3 cloves garlic minced
  • 1 tablespoon balsamic vinegar
  • 2 tablespoons all-purpose flour (about 25 grams)
  • 4 cups vegetable broth
  • 1 tablespoon soy sauce
  • 1 teaspoon dried thyme
  • ½ teaspoon Salt
  • teaspoon Pepper

For the Topping

  • 4-6 slices of crusty bread toasted
  • 1 ½ cups shredded Gruyere cheese cheddar cheese, or Swiss cheese (about 150 grams) – alternatively, you can use your favorite vegan gooey cheese.
  • Fresh thyme leaves for garnish optional

Optional:

  • ½ cup (120ml) white wine or red wine

Instructions

Preparing the Onions

  • Peel and slice the onions into thin rings.
  • Heat a large skillet over medium heat and add butter.
  • Once the butter has melted, add the onions to the skillet and stir to coat them with butter.
  • Cook the onions for about 30-40 minutes, stirring occasionally, until they are caramelized and golden brown.

Making the Soup

  • The soup is the heart of the French Onion soup casserole, and it’s important to get it right. Here’s how you can make the soup:
  • In a large pot, melt butter over medium heat.
  • Add flour and whisk until smooth.
  • Gradually add vegetable broth and whisk until the mixture is smooth as you heat the soup.
  • Add thyme, bay leaf, salt, and pepper to the pot.
  • Bring the soup to a boil, then reduce the heat and let it simmer for 20-30 minutes.

Preparing the Topping

  • The topping is what makes the French Onion soup casserole so delicious. Here’s how you can prepare it:
  • Preheat the oven to 375°F.
  • In a small bowl, mix together breadcrumbs, grated Parmesan cheese, and melted butter.
  • Layer onions in the bottom of a casserole dish.
  • Pour soup mixture over the onions.
  • Place crusty bread slices on top of the soup. Push bread lightly into the soup. Sprinkle the cheese mixture over the top of bread.
  • Bake the casserole for 25-30 minutes, or until the topping is golden brown and crispy.
  • Top with vegan cream cheese and a garnish of fresh herbs and serve.
  • By following these simple steps, you can make a delicious French Onion soup casserole that’s sure to impress your family and friends.

How to make French onion soup casserole Instructions:

  • In a large skillet or Dutch oven, melt the butter or heat the olive oil over medium heat. Add the sliced onions and sauté for about 25-30 minutes until caramelized, stirring occasionally.
  • Add the minced garlic and balsamic vinegar to the skillet and cook for an additional 1-2 minutes, until fragrant.
  • Sprinkle the flour over the onions and stir to coat evenly. Cook for 1-2 minutes to cook off the raw flour taste.
  • Optional: If using red wine, add it to the skillet and cook for 2-3 minutes to allow the alcohol to evaporate.
  • Slowly pour in the vegetable broth, stirring constantly to prevent lumps from forming. Add the soy sauce, dried thyme, salt, and pepper. Bring the mixture to a simmer and cook for 10-15 minutes to allow the flavors to meld together.
  • Preheat your oven to 400°F (200°C).
  • Ladle the onion soup into an oven-safe casserole dish. Arrange the toasted bread slices on top of the soup, covering it completely.
  • Sprinkle the shredded Gruyere or Swiss cheese over the bread slices, making sure to cover them evenly.
  • Place the casserole dish in the preheated oven and bake for about 15-20 minutes until the cheese is melted and bubbly.
  • Remove the casserole from the oven and let it cool slightly before serving. Garnish with fresh thyme leaves, if desired.
  • Enjoy the comforting and flavorful vegetarian French onion soup casserole for 4 people!

How to make French onion soup in instant pot 

  • Set your Instant Pot to “Sauté” mode and add the butter or olive oil. Once heated, add the thinly sliced onions and sauté for about 10 minutes until they become soft and caramelized.
  • Add the minced garlic and continue sautéing for another minute until fragrant.
  • Stir in the balsamic vinegar and cook for a minute to deglaze the pot.
  • Sprinkle the flour over the onion mixture and stir well to coat the onions evenly.
  • If using red wine, add it to the pot and stir for a minute to allow the alcohol to cook off.
  • Pour in the vegetable broth and soy sauce. Add the dried thyme, salt, and pepper to taste. Give it a good stir to combine all the ingredients.
  • Cancel the “Sauté” mode and close the Instant Pot lid. Set it to “Manual” or “Pressure Cook” mode on high pressure for 10 minutes.
  • Once the cooking time is complete, allow for a natural pressure release for about 10 minutes, then do a quick release to release any remaining pressure.
  • Carefully open the lid and give the soup a stir. Adjust the seasoning if needed.
  • Preheat your oven’s broiler. Ladle the soup into oven-safe bowls or crocks, leaving some space at the top. Place a slice of toasted crusty bread on top of each bowl and sprinkle with shredded Gruyere or Swiss cheese.
  • Place the bowls on a baking sheet and transfer them under the broiler until the cheese is melted and bubbly, usually around 2-3 minutes.
  • Remove from the oven and let the soup cool slightly before serving. Garnish with fresh thyme leaves if desired.
  • Enjoy your delicious homemade French onion soup made in the Instant Pot!

Crockpot French onion soup

  • Heat a skillet or stovetop-safe slow cooker insert over medium heat. Add the butter or olive oil and melt it. Once heated, add the thinly sliced onions and sauté for about 10 minutes until they become soft and caramelized.
  • Add the minced garlic and continue sautéing for another minute until fragrant.
  • Stir in the balsamic vinegar and cook for a minute to deglaze the pan.
  • Sprinkle the flour over the onion mixture and stir well to coat the onions evenly.
  • If using red wine, add it to the skillet and stir for a minute to allow the alcohol to cook off.
  • Transfer the onion mixture to the crockpot or slow cooker. Add the vegetable broth, soy sauce, dried thyme, salt, and pepper. Stir to combine all the ingredients.
  • Cover the crockpot or slow cooker and cook on low heat for 6-8 hours or on high heat for 3-4 hours. This slow cooking process will allow the flavors to meld together.
  • Once the soup has finished cooking, taste and adjust the seasoning if needed.
  • Preheat your oven’s broiler. Ladle the soup into oven-safe bowls or crocks, leaving some space at the top. Place a slice of toasted crusty bread on top of each bowl and sprinkle with shredded Gruyere or Swiss cheese.
  • Place the bowls on a baking sheet and transfer them under the broiler until the cheese is melted and bubbly, usually around 2-3 minutes.
  • Remove from the oven and let the soup cool slightly before serving. Garnish with fresh thyme leaves if desired.

Notes

How do you deepen the flavor of French onion soup 
To deepen the flavor of French onion soup, you can incorporate a few techniques and ingredients:
1. Caramelize the onions: Caramelizing the onions over low heat for an extended period allows them to develop a rich, sweet flavor. This process can take around 45 minutes to an hour. Stirring occasionally and being patient will help achieve a deep flavor.
2. Use a flavorful broth: Choose a quality beef broth or a combination of beef and vegetable broth for a robust and savory base. Homemade broth or high-quality store-bought options can enhance the overall flavor.
3. Add wine: Adding a splash of dry red or white wine can contribute depth and complexity to the soup’s flavor. The wine helps deglaze the pan, extracting and enhancing the caramelized onion flavors.
4. Incorporate herbs and seasonings: Herbs like thyme and bay leaves complement the flavors of French onion soup. Adding a few sprigs of fresh thyme or a couple of dried bay leaves during the simmering process can add aromatic notes and depth.
5. Let it simmer: Allowing the soup to simmer for an extended period, preferably at least 30 minutes, will further meld the flavors together, intensifying the taste.
6. Top with Gruyère cheese: The layer of melted Gruyère cheese on top of French onion soup adds richness and enhances the overall flavor. The cheese melts and mixes with the soup, adding a creamy and savory element.

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