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Low Carb Keto Spinach Casserole (regular + vegan)

Keto spinach casserole: Looking for the perfect dish to satisfy your comfort food cravings while staying on track with your keto lifestyle? This Cheesy Creamed Spinach Casserole is the answer! Bursting with flavor and incredibly easy to make, this creamed spinach casserole recipe will quickly become a staple in your kitchen. We’re talking the ultimate low carb spinach casserole dish that goes well with any main dish. 

This creamy casserole is a great recipe if you love creamy, cheesy and deliciously cozy flavors!

Whether you’re using raw spinach, fresh baby spinach or frozen spinach, this creamy spinach casserole comes together with minimal effort and delivers maximum taste. The rich combination of cream cheese, butter, and Monterey Jack cheese creates a luscious texture that perfectly complements the tender spinach. The result is a spinach casserole with cream cheese that’s both hearty and satisfying. But if you’re vegan you can still enjoy this family favorite recipe! Just substitute the easy keto recipe ingredients with the dairy free low carb diet options and get ready to enjoy a creamy filling meal that’s so cheesy no one will ever guess it’s vegan.

Easy Keto meals for picky eaters

This keto cheesy spinach dish is versatile and works just as well as a side dish for your favorite main course or as a standalone meal. It’s a wonderful way to add healthy ingredients to a delicious meal. Even if you’re pressed for time, you can easily whip up this spinach casserole with frozen spinach in just a few simple steps. With its cheesy goodness and creamy consistency, it’s no wonder this is considered the best spinach casserole for those following a low-carb diet. It’s also the perfect bake recipe for a gluten-free diet. It’s a great way to enjoy cheesy casseroles that are actually healthy! 

So, whether you’re planning dinner for the family or meal-prepping for the week, this keto creamed spinach frozen casserole will not disappoint. Give this cheesy spinach casserole recipe a try, and experience the deliciousness for yourself!

In this Creamed Keto Spinach casserole recipe we’re covering 

What’s great about cheesy creamed spinach casserole 

This Cheesy Creamed Spinach Casserole is a standout dish for several reasons. First, it’s incredibly delicious—rich, creamy, and packed with cheesy goodness that makes every bite satisfying. The blend of spinach, cream cheese, and shredded cheese creates a luscious, comforting texture that’s hard to resist.

Beyond its flavor, this casserole is also easy to make. With simple ingredients and straightforward steps, you can whip it up in no time, making it perfect for weeknight dinners or special occasions. Plus, it’s highly versatile—you can enjoy it as a side dish or even as a main course for a light, low-carb meal.

One of the best features of this dish is that it’s meal prep friendly. You can easily prepare it in advance and store it in the fridge, ready to be baked when needed. It also reheats beautifully, so you can enjoy it throughout the week without any loss of flavor or texture. Whether you’re following a keto diet or just looking for a tasty, make-ahead dish, this casserole is a fantastic choice!

Keto Spinach casserole equipment 

To make the Cheesy Keto Spinach Casserole, you’ll need the following equipment:

1. Oven

   – For baking the casserole. Alternatively, you can bake this easy casserole in an air fryer. Simply pour the spinach filling into a air fryer pan and bake for 20-30 minutes or until the casserole is golden brown on top.

2. 8×8 Baking Dish

   – To bake the casserole and achieve even cooking.

3. Large Mixing Bowl

   – To combine all the ingredients thoroughly.

4. Medium-Sized Skillet

   – For sautéing the onions and garlic (if you prefer to cook them before mixing them with the other ingredients).

5. Spatula or Wooden Spoon

   – To stir and mix the ingredients together.

6. Measuring Cups and Spoons  

   – For accurately measuring out ingredients like cream, milk, butter, and seasonings.

7. Knife and Cutting Board

   – To finely chop the onion and mince the garlic.

8. Grater (Optional)

   – If you need to grate the cheese or nutmeg.

This basic kitchen equipment will help you prepare and bake the spinach casserole with ease!

Creamy spinach casserole recipe ingredients 

If you love an easy recipe the whole family will enjoy, this keto casserole is for you. Full of flavor, and with minimal hands on cooking, it’s a simple recipe that your entire family will enjoy! Here’s a quick breakdown of the ingredients for this delicious Cheesy Keto Spinach Casserole recipe:

Main Ingredients

20 oz Baby Spinach (or frozen spinach, thawed and lightly squeezed dry)

  •     Provides the base for the casserole, rich in nutrients and low in carbs. It’s the star of this perfect recipe!

Fat Sources

2 tablespoons Butter (regular or vegan)

  •     Adds richness and flavor; helps sauté the onions and garlic. Alternatively, you can substitute with olive oil or vegetable oil of your choice, like avocado oil, coconut oil or your preferred vegetable oil for making low-carb casseroles.

1/2 cup Heavy Cream (or unsweetened full-fat coconut milk for a vegan option)

  •     Contributes to the creamy texture of the casserole. The heavy whipping cream texture gives the spinach casserole its rich and creamy texture.

1/4 cup Milk (or unsweetened full-fat coconut milk for a vegan option)

  •     Adds creaminess; balances the thickness of the sauce.

Cheese & Cream ingredients

4 oz Cream Cheese (softened, or cashew cream cheese for a vegan option)

  •     Gives a rich, creamy texture; enhances the cheesy flavor.

1 1/2 cups Shredded Monterey Jack Cheese (or Pepper Jack, or vegan shredded cheese with 4 tablespoons nutritional yeast)

  •     Melts into the casserole, adding a cheesy, gooey texture. The cheese topping will become wonderfully golden brown as the easy keto casserole bakes.

Aromatics & Seasonings

1 medium Onion (finely chopped)

  •     Adds a sweet, savory flavor; complements the richness of the cheese.

3 cloves Garlic (minced)

  •     Infuses the dish with a robust, aromatic flavor.

1/2 teaspoon Salt

  •     Enhances the overall flavor of the dish.

1/4 teaspoon black Pepper

  •     Adds a hint of spice.

1 teaspoon Italian Seasoning Blend (or Herb de Provence)

  •     Brings a mix of herbs for a fragrant and flavorful profile.

1/4 teaspoon Grated Nutmeg (optional)

  •     Adds a warm, slightly sweet undertone that pairs well with spinach.

Optional Garnish

1 Handful Fresh Basil (for garnish)

  •     Adds a fresh, vibrant touch to the finished dish.

These ingredients come together to create a rich, creamy, and cheesy casserole that’s both satisfying and easy to prepare.

Best spinach casserole recipe tips and tricks 

Here are some easy tips to enhance your egg free spinach casserole:

1. Squeeze the Spinach Dry: If using frozen spinach, be sure to squeeze out as much moisture as possible. This helps to make the casserole thicker and prevents it from becoming too watery.

2. Add a Pinch of Nutmeg: For a subtle depth of flavor, add a pinch of nutmeg. This classic tip from my grandmother enhances the overall taste of the casserole.

3. Spice It Up: For a kick of heat, incorporate cayenne pepper or chili flakes. Adjust the amount based on your spice preference to add a flavorful punch.

4. Use Vegan Alternatives: To make a vegan keto spinach casserole, use full-fat coconut milk and cashew cream cheese. These substitutes will keep the casserole creamy and delicious while adhering to your dietary needs.

5. Meal Prep for Convenience: Prepare the casserole in advance and store it in the refrigerator or freezer. This makes it easy to have a ready-to-eat meal throughout the week, saving you time and effort.

Keto spinach casserole recipe: the best Cheesy Keto Spinach Casserole recipe 

Indulge in this rich and creamy Keto Spinach Casserole, loaded with cheesy goodness and a hint of herbs. Perfectly comforting and incredibly easy to make, this dish is a delicious way to enjoy your greens while staying low-carb. Whether you’re following a keto diet or looking for a hearty vegan option, this casserole is sure to satisfy.

Keto cheesy spinach Ingredients

  • 20 oz baby spinach or frozen spinach thawed and squeezed lightly dry
  • 2 tablespoons butter, regular or vegan
  • 1 medium onion finely chopped
  • 3 cloves garlic minced
  • 1/2 cup heavy cream, use unsweetened full fat coconut milk for vegan option 
  • 1/4 cup milk, use unsweetened full fat coconut milk for vegan option 
  • 4 oz cream cheese softened, or cashew cream cheese for vegan option 
  • 1 1/2 cups shredded monterey jack cheese or pepper jack, for vegan option: vegan shredded cheese and 4 tablespoons nutritional yeast 
  • 1/2 teaspoon salt
  • 1/4 teaspoon pepper
  • 1 teaspoon Italian seasoning blend or herb de Provence 
  • 1/4 teaspoon grated nutmeg (optional)
  • 1 handful Fresh basil for garnish (optional)

How to make Spinach casserole with frozen spinach or fresh spinach 

How to make Keto Spinach Casserole

    1.    Set the oven to 350°F to preheat.

    2.    Combine all the ingredients in a large mixing bowl, ensuring they are thoroughly mixed.

    3.    Transfer the mixture into an 8×8 baking dish, spreading it evenly.

    4.    Bake for 35-40 minutes, until the edges are golden and the center is firm.

    5.    Enjoy the casserole immediately after baking.

Keto cheesy spinach recipe variations 

Here are some delicious add-ins and flavor variations to elevate your Keto Spinach Casserole:

Vegetable Add-Ins

    1.    Mushrooms

    •    Sautéed mushrooms add an earthy depth to the casserole. They pair beautifully with the creamy cheese and spinach.

    2.    Artichoke Hearts

    •    Chopped artichoke hearts add a tangy, slightly nutty flavor, reminiscent of spinach artichoke dip.

    3.    Roasted Red Peppers

    •    Add roasted red peppers for a sweet and smoky flavor contrast.

    4.    Zucchini

    •    Thinly sliced or diced zucchini can be added for extra texture and to boost the veggie content.

Cheese Variations

    1.    Parmesan Cheese

    •    Mix in grated Parmesan for a sharp, nutty flavor that complements the richness of the cream cheese.

    2.    Feta Cheese

    •    Crumble in some feta for a tangy, salty bite that contrasts nicely with the spinach.

    3.    Goat Cheese

    •    Substitute or add goat cheese for a creamy, slightly tangy variation that adds sophistication to the dish.

Spice & Herb Variations

    1.    Red Pepper Flakes

    •    Add a pinch of red pepper flakes for a bit of heat, balancing the creaminess of the casserole.

    2.    Cajun Seasoning

    •    Swap the Italian seasoning for Cajun seasoning to give the casserole a bold, spicy twist.

    3.    Fresh Herbs

    •    Try adding fresh dill, parsley, or chives for a fresh, herbaceous flavor boost.

    4.    Smoked Paprika

    •    Sprinkle in some smoked paprika for a subtle smoky flavor that adds depth to the dish.

Topping Ideas

    1.    Shredded Mozzarella

    •    Top with extra shredded mozzarella for an extra cheesy finish that gets perfectly golden and bubbly in the oven.

    2.    Almond Flour

    •    Mix almond flour with melted butter and a little garlic powder for a golden, crispy topping.

These add-ins and variations can customize your keto spinach casserole to fit your taste preferences or mix things up if you’re making it regularly!

How to store and reheat healthy creamy spinach casserole 

How to Meal Prep the Creamy Spinach Casserole

1. Prepare in Advance: 

   – Follow the recipe instructions to mix the ingredients and assemble the casserole in your baking dish.

   – Instead of baking it right away, cover the assembled casserole tightly with plastic wrap or aluminum foil.

   – Store it in the refrigerator for up to 2 days before baking.

2. Batch Cooking:

   – You can double or triple the recipe and divide it into multiple smaller baking dishes. This way, you can bake one now and save the others for later in the week or freeze for a longer period.

3. Portion Control:

   – After baking, divide the casserole into individual portions using meal prep containers. This makes it easy to grab and go during the week.

How to Store the Creamy Spinach Casserole

1. In the Refrigerator:

   – After baking, let the casserole cool to room temperature.

   – Cover the baking dish tightly with plastic wrap or aluminum foil, or transfer the casserole to an airtight container.

   – Store it in the refrigerator for up to 3-4 days.

2. In the Freezer:

   – To freeze, allow the casserole to cool completely after baking.

   – Wrap the entire dish tightly in plastic wrap and then in aluminum foil, or transfer it to a freezer-safe airtight container.

   – Label the container with the date and store it in the freezer for up to 2-3 months.

   – If freezing in portions, divide the casserole into individual portions before freezing for easier reheating.

How to Reheat the Creamy Spinach Casserole

1. From the Refrigerator:

   – In the Oven: Preheat the oven to 350°F. Cover the casserole with aluminum foil to prevent it from drying out. Reheat for 15-20 minutes, or until heated through.

   – In the Microwave: Place a portion of the casserole on a microwave-safe plate. Cover with a microwave-safe lid or another plate. Heat on medium power for 1-3 minutes, checking every 30 seconds until it’s warmed through.

2. From the Freezer:

   – In the Oven: It’s best to thaw the casserole overnight in the refrigerator before reheating. Once thawed, preheat the oven to 350°F. Cover with foil and bake for 20-30 minutes, or until heated through. If reheating directly from frozen, increase the baking time to 45-60 minutes.

   – In the Microwave: If reheating from frozen, use the defrost setting on your microwave first, then heat as usual.

By following these steps, you can easily meal prep, store, and reheat your healthy, creamy spinach casserole, making it a convenient and delicious option for your keto meal plan!

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Vegetarian Keto Spinach casserole FAQs

Can I use fresh or frozen spinach for this recipe?

Yes, you can use either fresh or frozen spinach. If using frozen spinach, make sure it is thawed and squeezed dry to remove excess moisture before adding it to the casserole.

Can I make this casserole vegan?

Absolutely! Substitute the cream cheese with cashew cream cheese, use unsweetened full-fat coconut milk in place of heavy cream and milk, and replace the shredded cheese with vegan cheese and nutritional yeast.

How do I know when the casserole is done baking?

The casserole is done when the edges are golden brown and the center is set. You can also insert a knife or toothpick into the center; it should come out clean if it’s fully cooked.

Can I freeze the casserole?

Yes, you can freeze the casserole. Allow it to cool completely, then wrap it tightly in plastic wrap and aluminum foil or transfer it to a freezer-safe container. It can be frozen for up to 2-3 months. Thaw in the refrigerator before reheating.

How do I reheat leftovers?

For reheating, you can use the oven or microwave. In the oven, preheat to 350°F, cover the casserole with foil, and bake for 15-20 minutes or until heated through. In the microwave, heat individual portions on medium power for 1-3 minutes.

Can I add other vegetables to this casserole?

Yes, you can add vegetables like mushrooms, artichoke hearts, or zucchini. Be sure to cook or sauté any additional vegetables before mixing them into the casserole to avoid excess moisture.

More low carb spinach casserole FAQ

How can I make the casserole spicier?

To add some heat, incorporate red pepper flakes, chopped jalapeños, or a dash of hot sauce into the mixture. Adjust to taste based on your heat preference.

Can I use a different type of cheese?

Yes, you can substitute Monterey Jack with other cheeses like cheddar, Gouda, or mozzarella. Just ensure the cheese melts well and complements the other flavors in the casserole.

How long can I store leftovers in the refrigerator?

Leftovers can be stored in the refrigerator for up to 3-4 days. Make sure they are covered or stored in an airtight container.

Can I make this casserole ahead of time?

Yes, you can prepare the casserole in advance. Assemble it, cover it, and store it in the refrigerator for up to 2 days before baking. Alternatively, you can freeze it for longer storage.

Make it a meal

For dessert

More delicious vegan recipes you might like 

Cheesy Keto Spinach Casserole recipe

Indulge in this rich and creamy Keto Spinach Casserole, loaded with cheesy goodness and a hint of herbs. Perfectly comforting and incredibly easy to make, this dish is a delicious way to enjoy your greens while staying low-carb. Whether you’re following a keto diet or looking for a hearty vegan option, this casserole is sure to satisfy.
Munchyesta.com
Prep Time 10 minutes
Serving Size 8 people

Equipment

  • 1 8×8 inch baking dish

Ingredients

Keto cheesy spinach Ingredients

  • 20 oz baby spinach – or frozen spinach thawed and squeezed lightly dry
  • 2 tablespoons butter – regular or vegan
  • 1 medium onion – finely chopped
  • 3 cloves garlic – minced
  • 1/2 cup (120ml) heavy cream – use unsweetened full fat coconut milk for vegan option
  • 1/4 cup (60ml) milk – use unsweetened full fat coconut milk for vegan option
  • 4 oz (113g) cream cheese softened – or cashew cream cheese for vegan option
  • 1 1/2 cups (170g) shredded monterey jack cheese or pepper jack – for vegan option: vegan shredded cheese and 4 tablespoons nutritional yeast
  • 1/2 teaspoon salt
  • 1/4 teaspoon pepper
  • 1 teaspoon Italian seasoning blend or herb de Provence
  • 1/4 teaspoon grated nutmeg – optional
  • 1 handful Fresh basil for garnish – optional

Instructions

How to make Keto Spinach Casserole

  • Set the oven to 350°F to preheat.
  • Combine all the ingredients in a large mixing bowl, ensuring they are thoroughly mixed.
  • Transfer the mixture into an 8×8 baking dish, spreading it evenly.
  • Bake for 35-40 minutes, until the edges are golden and the center is firm.
  • Enjoy the casserole immediately after baking.

Notes

Cooking notes:
How to Meal Prep the Creamy Spinach Casserole
1. Prepare in Advance: 
   – Follow the recipe instructions to mix the ingredients and assemble the casserole in your baking dish.
   – Instead of baking it right away, cover the assembled casserole tightly with plastic wrap or aluminum foil.
   – Store it in the refrigerator for up to 2 days before baking.
2. Batch Cooking:
   – You can double or triple the recipe and divide it into multiple smaller baking dishes. This way, you can bake one now and save the others for later in the week or freeze for a longer period.
3. Portion Control:
   – After baking, divide the casserole into individual portions using meal prep containers. This makes it easy to grab and go during the week.
How to Store the Creamy Spinach Casserole
1. In the Refrigerator:
   – After baking, let the casserole cool to room temperature.
   – Cover the baking dish tightly with plastic wrap or aluminum foil, or transfer the casserole to an airtight container.
   – Store it in the refrigerator for up to 3-4 days.
2. In the Freezer:
   – To freeze, allow the casserole to cool completely after baking.
   – Wrap the entire dish tightly in plastic wrap and then in aluminum foil, or transfer it to a freezer-safe airtight container.
   – Label the container with the date and store it in the freezer for up to 2-3 months.
   – If freezing in portions, divide the casserole into individual portions before freezing for easier reheating.
How to Reheat the Creamy Spinach Casserole
1. From the Refrigerator:
   In the Oven: Preheat the oven to 350°F. Cover the casserole with aluminum foil to prevent it from drying out. Reheat for 15-20 minutes, or until heated through.
   In the Microwave: Place a portion of the casserole on a microwave-safe plate. Cover with a microwave-safe lid or another plate. Heat on medium power for 1-3 minutes, checking every 30 seconds until it’s warmed through.
2. From the Freezer:
   In the Oven: It’s best to thaw the casserole overnight in the refrigerator before reheating. Once thawed, preheat the oven to 350°F. Cover with foil and bake for 20-30 minutes, or until heated through. If reheating directly from frozen, increase the baking time to 45-60 minutes.
   In the Microwave: If reheating from frozen, use the defrost setting on your microwave first, then heat as usual.
Vegan notes:
Finding vegan and keto-friendly alternatives to cream cheese can be a bit tricky since it needs to be both dairy-free and low in carbs. Here are some options:
1. Cashew Cream
•How to Use: Soak raw cashews, then blend them with a bit of water, lemon juice, and salt until smooth. For a thicker consistency, reduce the amount of water.
•Keto Consideration: While cashews are higher in carbs than some other nuts, when used in small amounts, this can still fit within a keto diet.
2. Coconut Cream
•How to Use: Refrigerate a can of full-fat coconut milk and use the solidified cream that forms on top. Mix with a bit of lemon juice and a pinch of salt to mimic cream cheese.
•Keto Consideration: Coconut cream is high in fat and low in carbs, making it a great keto option.
3. Almond Cream Cheese
•How to Use: Blend blanched almonds with a bit of water, lemon juice, and salt to create a creamy texture. Optionally, add nutritional yeast for a cheesy flavor.
•Keto Consideration: Almonds are lower in carbs, making this a good keto choice.
4. Vegan Cream Cheese Products
•Brands: Some brands like Kite Hill or Miyoko’s offer almond-based cream cheeses that are both vegan and keto-friendly. Always check the label for added carbs or sugars.

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