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Close up picture of a portobello, bell pepper, red onion, and avocado fajita on a corn tortilla

Portobello Fajitas

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5 from 1 review

This recipe for Portobello Fajitas is a hearty, meatless recipe bursting with flavor! With colorful peppers, savory onions, and ‘meaty’ slices of portobello mushrooms, these fajitas are not only nutritious but also delicious meal that’ll surely satisfy!

  • Total Time: 45 minutes
  • Yield: 4 1x

Ingredients

Scale
  • 3 tablespoons extra-virgin olive oil
  • 2 tablespoons fresh lime juice
  • 1 teaspoon honey
  • 1/2 teaspoon chili powder
  • 1/4 teaspoon cumin
  • 1/2 teaspoon paprika (regular or smoked)
  • 1/4 teaspoon black pepper
  • 2 garlic cloves, minced
  • 1 red onion, thinly sliced
  • 2 bell peppers (colors of your choice), thinly sliced
  • 2 large portobello mushrooms (2 cups, 6 ounces), thinly sliced
  • 8 flour or corn tortillas
  • cilantro, for topping
  • avocado, for topping, thinly sliced
  • any other toppings you enjoy: sour cream/Greek yogurt, pico de gallo

Instructions

  1. Make the marinade: In a small bowl, whisk together the olive oil, lime juice, honey, chili powder, cumin, paprika, pepper and garlic.
  2. Place the peppers and onions in a large bowl. Pour the marinade over top and toss. Let it sit for at least 30 minutes. You can marinate the onion and peppers overnight for a longer marinate. However, the mushrooms will not hold up. I opted for a quick 30-minute marination (as seen in the picture) and the flavor does not disappoint!
  3. Use some of the marinade (as it contains oil) to heat in a large cast iron skillet and/or grill pan. Add the peppers, onion, and mushrooms and cook, tossing often, until the peppers, onion, and mushrooms soften and start to char/’grill’, about 6 to 8 minutes.
  4. Warm the tortillas and you’re ready to assemble!
  5. To assemble, add a few mushrooms on a tortilla with the peppers and onions. Top with cilantro and a few slices of avocado. If you’re using guacamole, I prefer to add that on the tortilla first. Same with the sour cream. However you assemble/prepare your fajitas, eat and enjoy! I opted to keep these fajitas completely vegan, however, if you’d like to add some cheese and even an alternative animal protein, I challenge you to try them as I’ve created them. The flavors do not disappoint!
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