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Fajitas with bell peppers, mushrooms, and cashew queso.

Vegan Sheet Pan Fajitas with Chipotle Queso

  • Author: Lindsay
  • Total Time: 45 minutes
  • Yield: 4-6 1x


These Vegan Sheet Pan Fajitas are SO GOOD. Roasted peppers and onions, steak-like portobello mushrooms, some mashed avocado, and waterfall of spicy cashew queso.



Sheet Pan Fajitas:

  • 2 red bell peppers, cut into strips
  • 2 yellow bell peppers, cut into strips
  • 1 red onion, cut into strips
  • 4 portobello mushroom caps, cut intro strips
  • 2 teaspoons chili powder
  • 2 teaspoons cumin
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • a drizzle of olive oil
  • a sprinkle of salt
  • tortillas, avocado, etc. for serving

Chipotle Queso:

  • 1 cup cashews
  • 1/2 cup water
  • 1 (4-ounce) can diced green chiles
  • 1 chipotle pepper (more to taste)
  • 1/2 teaspoon kosher salt (more if your cashews are unsalted)


  1. Prep: Preheat the oven to 450 degrees.
  2. Peppers and Mushrooms: Arrange one baking sheet with the peppers and onions, and one with the mushrooms. Drizzle with oil and toss with the spices and salt. Bake for 20-ish minutes until nice and roasty.
  3. Chipotle Queso: Blend up all the ingredients until very, very smooth. Taste and adjust and try not to eat the whole thing.
  4. All Together Now: Serve the peppers, onions, and mushrooms in tortillas with avocado and a big ol’ spoonful of chipotle queso! SO GOOD!



You may find that the peppers may take a few minutes longer than the mushrooms. I usually shuffle the baking sheets around depending on which needs more heat or more time in the oven – that’s why I recommend two separate baking sheets. This also works great as a rice or quinoa bowl! Just skip the tortilla and serve in a bowl. I have pretty good nonstick baking sheets so I usually don’t line them with anything. If you are worried about sticking, just line the baking sheets with parchment paper.

  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Dinner
  • Method: Bake
  • Cuisine: Mexican

Keywords: vegan sheet pan fajitas, sheet pan fajitas, vegan fajitas