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Portobello Mushroom Burger

Juicy marinated mushrooms meld together with peppers, onions & mozzarella cheese. Basil mayonnaise finishes off this Portobello Mushroom Burger perfectly.
Course Main Dish
Cuisine Burger, Food to Drink to
Keyword burger
Prep Time 10 minutes
Cook Time 22 minutes
Total Time 32 minutes
Servings 4 burgers

Ingredients

Portobello Mushrooms & Marinade

  • 4 Portobello Mushrooms stems removed and gills scraped
  • 1/4 cup avocado or olive oil
  • 1/4 cup white wine vinegar
  • 2 Tbs. lemon juice
  • 2 Tbs. soy sauce
  • 1 tsp kosher salt
  • 1 red pepper chopped
  • 1 small yellow onion chopped
  • 4 rolls
  • 1/2 cup shredded mozzarella cheese
  • 2 Tbs. butter

Basil Mayonnaise

  • 1/4 cup mayonnaise
  • 1/2 cup fresh basil leaves
  • 2 clove garlic
  • 1/2 tsp salt
  • 1/4 cup avocado or olive oil
  • 1/4 cup parmesan

Instructions

Basil Mayonnaise

  • In a food processor combine basil, garlic and salt. While running add oil through the top and blend until smooth.
  • Take the ingredients from the processor and move to another bowl. Add the rest of the ingredients and stir until combined.
  • Cover and refrigerate. This will keep for around 3 days.

Portobello Mushrooms & Marinade

  • Mix the marinade ingredients together. Oil, vinegar, salt and lemon juice. Set aside.
  • Prepare the mushrooms by removing the stems and scraping the gills out.
  • Place mushrooms in a dish and pour the marinade over them. Let it sit in the marinade at room temperature for 10 minutes.
  • Add 2 Tbs. of butter in a pan, let it melt over medium/high heat then add the peppers and onions to the pan.  Sautee for 5 minutes.  
  • Assemble the marinated mushrooms on a greased baking pan. With mushroom cup side up add onions and peppers. Top with mushrooms.
  • Cook at 425 degrees for 20-22 minutes.
  • Smear the rolls of your choosing with pesto mayo. Add mushroom burger. Enjoy!