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Grilled BBQ Portobello Steaks with Pesto

These vegan grilled BBQ portobello steaks with pesto are mouthwateringly good. Think meaty grilled Portobello mushrooms soaked in luxurious green pesto and barbecue seasoning. Amazing on the grill, fried, or made in the oven. 

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Your dinner is about to get 100x better with these vegan grilled BBQ portobello steaks with pesto. This is a plant-based meatless steak that tastes and feels deliciously satisfying. Tender-to-the-bite deliciously juicy meaty portobello mushrooms generously topped with flavorful vibrant green pesto 

Mmm, barbecue portobello mushrooms. These may be my all-time favorite vegan BBQ recipe because they are loaded with cheesy deliciousness, and luxe pesto flavors with a hint of spice and garlic…they are totally delicious, totally grillable, and completely mouthwatering. 

These grilled portobello mushrooms are out of this world tasty. Eat them as they are with a side of salad, serve them on a bed of risotto, or eat them in a burger. There are so many great ways to eat these portabella mushrooms that I would happily serve them every day of the week.

Why you seriously need to make these Barbecue Portobello mushrooms 

  • So easy to make
  • Incredibly delicious 
  • Meaty, juicy, and delicious grilled mushrooms 
  • Lots of cheesy garlicky pesto flavors 
  • Vegan
  • Gluten-free 
  • Ideal for vegan barbecues and parties 

Vegan BBQ recipe ideas to serve with grilled mushrooms 

How to make homemade vegan pesto in 5 minutes 

To make your own homemade vegan pesto all you need is a blender and a few simple ingredients. 

Pesto ingredients 

  • 1 bunch of fresh basil 
  • 1/2 cup olive oil 
  • 1 cup baby arugula salad 
  • 4 cloves garlic, minced 
  • 1/4 cup toasted pine nuts or any other type of nuts
  • 1 jalapeño pepper, seeds removed

Instructions to make homemade green pesto in 5 minutes or less

Add all the pesto ingredients to a blender and blend until the pesto is smooth. Add 1-2 tablespoons extra oil if the pesto is too thick. Scrape the pesto into an airtight container and store it in the refrigerator.

How to make the best grilled portobello mushrooms 

First up, let’s take a look at the simple ingredients you need to make grilled portobello mushrooms.

  • 4 portobello mushrooms 
  • 4-5 tbsp green pesto 
  • 1/2 cup vegan blue cheese 
  • 2 tbsp nutritional yeast 
  • 1/2 tsp salt
  • 1/4 tsp pepper

How to cook portobello mushrooms on the grill 

  • Preheat your grill. Cut off the stems of the portobellos and chop them.
  • Place the portobellos with the gills up. Spread pesto on top of the portobellos and top with the chopped mushroom stems. Sprinkle nutritional yeast over the mushrooms and crumble blue cheese on top. Season with salt and pepper and grill the mushrooms for 15-20 minutes or until they are grilled and tender.
  • Serve hot and enjoy.

How to cook portobello mushrooms in the oven

  • Preheat the oven to 400F and line a baking sheet with baking paper. Cut off the stems of the portobellos and chop them.
  • Place the portobellos with the gills up on the lined baking sheet. Spread pesto on top of the portobellos and top with the chopped mushroom stems. Sprinkle nutritional yeast over the mushrooms and crumble blue cheese on top. Season with salt and pepper.
  • Bake in the oven for 35-40 minutes or until the mushrooms are golden and grilled and the cheese is melted.
  • Serve hot and enjoy.

Frequently Asked Questions

Can I use real blue cheese?

Of course. You can use any type of real cheese or vegan cheese you prefer in this recipe. If you are using real cheese there’s no reason to use nutritional yeast as well.

What to do if I don’t have nutritional yeast?

If you don’t have nutritional yeast don’t worry. It’s an optional extra ingredient that adds a layer of cheese flavors to the dish, but it can easily be left out of the recipe.

Can portobello mushrooms be reheated?

Yes. Mushrooms are fine to reheat. Just drizzle a little olive oil on top and reheat it in the oven or microwave.

Do I have to use homemade pesto?

No, you can just as well use your favorite pesto in this recipe. Whatever works best for you and makes your life easier is the way to go…although if you have the time my super easy 5-minutes homemade pesto is worth the small extra effort.

Grilled BBQ Portobello Steaks with pesto

These vegan grilled BBQ portobello steaks with pesto are mouthwateringly good. Think meaty grilled Portobello mushrooms soaked in luxurious green pesto and barbecue seasoning. Amazing on the grill, fried, or made in the oven. 
Your dinner is about to get 100x better with these vegan grilled BBQ portobello steaks with pesto. This is a plant-based meatless steak that tastes and feels deliciously satisfying. Tender-to-the-bite deliciously juicy meaty portobello mushrooms generously topped with flavorful vibrant green pesto 
Simone – Munchyesta.com
Prep Time 5 minutes
Cook Time 40 minutes
Serving Size 4 people

Ingredients

  • 2 tbsp Olive Oil
  • 4 Portobello Mushrooms rinsed
  • 4-5 tbsp Green Pesto
  • ½ cup Vegan Blue Cheese or whichever cheese you prefer
  • 2 tbsp Nutritional Yeast
  • ½ tsp Sea salt or Kosher Salt
  • ¼ tsp Ground Black Pepper

5 Minutes Homemade Vegan Green Pesto

  • 1 bunch Fresh Basil
  • ½ cup Olive Oil
  • 1 cup Baby Arugula Salad
  • 4 cloves Garlic minced
  • ¼ cup Toasted Pine Nuts or any other type of nuts
  • 1 Jalapeño pepper seeds removed

Instructions

Making the Pesto

  • Add all the pesto ingredients to a blender and blend until the pesto is smooth. Add 1-2 tablespoons extra oil if the pesto is too thick.
  • Scrape the pesto into an airtight container and store it in the refrigerator.

Make Portobello Steaks on the grill

  • Preheat your grill. Cut off the stems of the portobellos and chop them
  • Place the portobellos with the gills up. Spread pesto on top of the portobellos and top with the chopped mushroom stems.
  • Sprinkle nutritional yeast over the mushrooms and crumble blue cheese on top. Season with salt and pepper and grill the mushrooms for 15-20 minutes or until they are grilled and tender.
    Serve hot and enjoy.

Cooking Portobello Steaks in the oven

  • Preheat the oven to 400F and line a baking sheet with baking paper. Cut off the stems of the portobellos and chop them.
  • Place the portobellos with the gills up on the lined baking sheet. Spread pesto on top of the portobellos and top with the chopped mushroom stems. Sprinkle nutritional yeast over the mushrooms and crumble blue cheese on top. Season with salt and pepper.
  • Bake in the oven for 35-40 minutes or until the mushrooms are golden and grilled and the cheese is melted.
    Serve hot and enjoy.

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