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+ servings
A spicy vegan portobello burger topped with mushrooms and peppers on a wooden cutting board.
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5 from 2 votes

Spicy Vegan Portobello Mexican Burgers

Banish weird fake patties for good with this delicious spicy vegan portobello mexican burger - full of rich, meaty flavor, tons of fiber, and just real, fresh foods.
Prep Time5 minutes
Cook Time15 minutes
Total Time20 minutes
Course: Vegan
Cuisine: American
Keyword: best mushroom burger, burger, Mexican burger, mushroom burger, portobello, spicy portobello burger, spicy vegan burger, vegan burger
Servings: 2
Calories: 479kcal
Author: Courtney O'Dell

Ingredients

  • 2 portobello mushroom caps stems removed
  • 1 tbsp olive oil
  • 1 large onion cut in half and then sliced into thin slices
  • 1 bell pepper sliced into strips
  • 2 tsp taco seasoning divided
  • ½ tsp cayenne pepper divided
  • ½ cup whole or refried black beans with lime divided
  • 2 buns of your choice pretzel buns pictured
  • 1-2 tbsp salsa hot
  • banana peppers to garnish
  • salt and pepper to taste

Instructions

  • Heat a heavy cast iron pan on medium, while heating another large skillet on medium.
  • Lay the portobello mushrooms in one of the pans and add the grape seed oil to the other.
  • Heat olive oil until shimmery.
  • Add onions in to pan and stir well.
  • Flip portobello over and keep flipping sides every 4-5 minutes.
  • When portobello is dark and reduced in size by half, sprinkle with taco seasoning, salt and pepper, and cayenne pepper and cook on each side for one more minute.
  • Add peppers to pan with onions, stir. Let onions and peppers cook until nicely browned, about 15 minutes.
  • Spread beans on the bottom of bun, and then add portobello when cooked. Layer onions and peppers over mushroom, and top with a slice of an heirloom tomato, banana peppers, and a bit of salsa and add the top bun.
  • Eat immediately and enjoy!

Nutrition

Serving: 1g | Calories: 479kcal | Carbohydrates: 79g | Protein: 19g | Fat: 11g | Saturated Fat: 2g | Polyunsaturated Fat: 8g | Cholesterol: 11mg | Sodium: 25mg | Fiber: 16g | Sugar: 13g