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HomeRaw FoodMarinated Portobello Burgers with Creamy Pesto Sauce

Marinated Portobello Burgers with Creamy Pesto Sauce

Marinated Portobello Burgers are a good way to make use of up portobello mushrooms! A marinated portobello that then will get pan seared or tossed on the grill and cooked completely. Then pair with a creamy pesto sauce, bun, and your favourite burger toppings. That is the final word mushroom burger recipe. 

portobello mushroom burgers

A vegetarian burger that’s excellent for grilling season. Even those that get pleasure from meat will get pleasure from this portobello mushroom burgers recipe. So do not wait, do this veggie burger right this moment. 

Try my portobello steaks, my portobello mushroom cheesesteaks for different straightforward and scrumptious mushroom recipes. 

This Portobello Burger Recipe Is…

  • Vegetarian 
  • Can Be Vegan Pleasant (use dairy substitute and vegan Worcestershire sauce) 
  • Straightforward to Make 
  • Can Be Cooked On Range or Grill 
  • Get together Pleasant Meals 
  • Home made Pesto For Optimum Taste

Easy methods to Make Portobello Burgers 

portobello mushroom burgers

Full instructions on tips on how to make this mushroom burger are within the printable recipe card under. This can be a fast stroll by means of on tips on how to make them. 

  1. Begin by eradicating the stalk from the mushrooms. 
  2. In a bowl or bag add all of the elements for the marinade, together with mushrooms. Coat the mushrooms, and allow them to marinade for half-hour. 
  3. Chop up your onions, and place in a big skillet with some oil, and cook dinner till golden brown. Then end cooking till they’re caramelized. 
  4. For the pesto mayonnaise add your elements right into a bowl and whisk collectively till combined and no lumps. 
  5. Prepare dinner your mushrooms cap aspect down in a heated skillet on the range, or toss on the grill. Prepare dinner till they’re tender. 
  6. Then assemble your bun with the pesto sauce, tomatoes, caramelized onions, and your mushroom burger. 

Recipe Suggestions For Success 

portobello mushroom burgers

Mushroom Prep 

Just remember to take away the stalks of the mushrooms earlier than you marinade them. Then clear your mushrooms if they’ve grime, particles left on them. 


Guarantee that once you marinate the portobello mushrooms you place them cap aspect down within the marinade. They may draw in additional taste from the marinade providing a richer taste to your veggie burger. 

Caramelizing Onions 

Be certain that to test in your onions as they cook dinner. In any other case, you may find yourself burning the onions. They may take awhile to caramelize however they should be stirred usually or it can trigger the onions to burn. 

Variations To Mushroom Burger 

portobello mushroom burgers


In order for you you may rework these into little slider burgers as an alternative of standard measurement burgers. Simply cook dinner up the identical and place the mushroom on slider buns, after which slice to suit the rolls. Add your favourite condiments and devour. 


Do not feel you need to pair with the caramelized onions. I discover that it’s a good way to raise your burger, however is not a half too. High with any of your favourite hamburger toppings. 

Serve In another way 

As an alternative of a bun, serve with a mattress of rice, or simply pile your toppings on high and skip the bun altogether. 


Swap up the way you marinade by altering out spices with ones and love. There’s a lot you are able to do to taste the mushrooms and have success. 

Mushroom Burger FAQs

portobello mushroom burgers

Can I take advantage of a distinct number of mushroom? 

The arduous factor with swapping out the mushrooms is it will be arduous to get that enormous flat burger texture to slot in the bun. You might be welcome to experiment and see what you want. 

What can I do with the stems of mushrooms? 

Do not throw away the mushroom stems. Simply retailer them again in a container within the fridge and use them for mixing in a casserole, omelet, and so forth. They may work nice for chopping up and mixing into different recipes sooner or later. 

Do mushroom burgers retailer nicely? 

I discover the burgers are finest eaten recent. Should you do not eat all of them, retailer within the fridge for 2-3 days. Then reheat and luxuriate in. The feel will probably be a bit totally different as soon as they’ve cooled down and been refrigerated. 

Marinated Portobello Burgers with Creamy Pesto Sauce

These are the final word Portobello Burgers! Tender portobello mushrooms are marinated, cooked to perfection, and topped with a do-it-yourself creamy pesto sauce. Yum.

Prep Time: 45 minutes

Prepare dinner Time: 30 minutes

Complete Time: 1 hour 15 minutes

Course: Primary Course, Aspect Dish

Delicacies: American

Weight-reduction plan: Vegan, Vegetarian

Key phrase: mushroom burger recipe, portobello burgers, portobello mushroom burgers, vegetarian burger, vegetarian grilling

Servings: 4 portobello burgers

Energy: 512kcal


  • 4 giant portobellos
  • 4 hamburger rolls vegan model if desired
  • 2 onions
  • 1 giant tomato
  • 2 tbsp olive oil

To marinate the portobellos

Pesto Mayonnaise

  • cup mayonnaise use vegan mayo or dairy free yogurt for a vegan model
  • cup pecan nuts or walnuts or pine nuts
  • 1 cup recent basil leaves packed
  • 1 tbsp dietary yeast
  • 2 garlic cloves minced
  • ¼ tsp salt
  • 2 tbsp olive oil


  • Take away portobellos stalks. Combine all of the elements to marinate the portobellos. Utilizing a cooking brush, toss them with the sauce on each side. Allow them to marinate for half-hour, with the cap aspect down.

  • Chop onions in skinny slices. Place them in a big skillet with 2 tbsp of olive oil, cook dinner them at medium warmth till golden brown.

  • The onions will want between 25-30 to be caramelized. Stir it recurrently; in any other case, it can burn.

  • Mix all elements for the pesto mayonnaise in a blender. Use both a stick blender or a daily blender.

  • Mix all of the elements.

  • Mix till you may have a clean, creamy paste. Regulate salt to style.

  • Prepare dinner the portobellos cap aspect down in a heated skillet, grill or BBQ till tender. It is going to take 8-10 minutes.

  • To make the burgers, first add pesto mayonnaise to the bread.

  • Subsequent, add caramelized onions.

  • Add a juicy portobello.

  • High with a slice of tomato and canopy with bread. Take pleasure in!


  • Portobellos are my favourite alternative when going to BBQs or inviting buddies over. They’re extraordinarily scrumptious, juicy and adaptable to any type of add-on that you can imagine. Simply get artistic by including totally different seasonings, greens and even some melted cheese.


Energy: 512kcalCarbohydrates: 36gProtein: 10gFats: 38gSaturated Fats: 5gPolyunsaturated Fats: 13gMonounsaturated Fats: 18gTrans Fats: 1gLdl cholesterol: 8mgSodium: 942mgPotassium: 674mgFiber: 5gSugar: 10gVitamin A: 841IUVitamin C: 11mgCalcium: 109mgIron: 3mg

Craving extra veg-friendly recipes? Store our assortment of vegetarian and vegan cookbooks, together with our new Vegan Thanksgiving and Vegan Christmas cookbooks!


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