Spicy Pineapple & Veggie Vegan Fajitas for Flavorful Weeknights

I’d been dreaming of one-pan dinners where the entire meal is tossed on a sheet pan and baked. These vegan spicy pineapple and veggie fajitas are exactly that: easy, vibrant, and ready in around 30 minutes. Combine a simple spicy fajita seasoning, toss it with pineapple and vegetables in one bowl, spread everything out on a sheet pan, roast until browned and juicy, then fill warm tortillas with the sweet-spicy mixture. Top with guacamole, salsa, vegan sour cream and cilantro if you like — cilantro really brightens it — and enjoy a new favorite for busy nights.

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This recipe is flexible — use whatever vegetables are in your fridge. I often swap in broccoli or other favorites, but don’t skip the pineapple: its sweet-tangy caramelized flavor sets these fajitas apart and turns a weeknight meal into something special.

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If you’re not a fan of large bell peppers, mini sweet peppers work beautifully, as I used here. Jalapeños bring heat and a great contrast with the pineapple — omit them if you prefer milder flavors. The balance of sweet pineapple and spicy jalapeño is what makes these fajitas addictive.

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These fajitas are naturally vegan, and they’re easy to make gluten-free by serving them with corn tortillas. A quick, sheet-pan dinner that’s both gluten-free and vegan — perfect for busy evenings or casual gatherings.

Enjoy tex-mex vegan recipes? Try the Vegan Tex Mex Egg Rolls for another flavorful option.

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Vegan Spicy Pineapple and Veggie Fajitas

Print Recipe

A super-fast sheet pan dinner that balances sweet pineapple with spicy, smoky seasonings.
Course Main Course
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Servings 6
Calories 176
Author Lauren Hartmann

Ingredients

  • 2 teaspoons Corn starch
  • 2 teaspoons Chili powder
  • 1 teaspoon Salt
  • 1 teaspoon Smoked paprika
  • 1/2 teaspoon Organic sugar
  • 1/2 teaspoon Cumin
  • 1/2 teaspoon Garlic powder
  • Pinch of Cayenne pepper
  • 2 Fresh jalapeño, de-seeded and sliced
  • 2 Cups Sweet peppers, sliced (mini sweet peppers work well)
  • 10 Ounces Baby bella mushrooms, sliced
  • 1/2 a Yellow onion, sliced
  • 1/2 a Pineapple, sliced into strips (about 2 cups)
  • 2 Tablespoons Olive oil
  • 6-8 Tortillas of choice
  • Guacamole, vegan sour cream, salsa, cilantro (optional toppings)

Instructions

  • Preheat the oven to 375°F (190°C).
  • In a small bowl, whisk together corn starch, chili powder, salt, smoked paprika, sugar, cumin, garlic powder and a pinch of cayenne. Set aside.
  • In a large bowl, combine sliced jalapeño, sweet peppers, mushrooms, onion and pineapple strips.
  • Drizzle the olive oil over the fruit and vegetables and toss by hand until everything is evenly coated.
  • Sprinkle the seasoning mix over the pineapple and veggies and toss again so the spices coat everything.
  • Spread the mixture in a single layer on a large sheet pan.
  • Bake for 15 minutes, remove and toss with a spatula, then flatten back out and bake another 10–15 minutes until edges are browned and juices are released. Remove from oven and season with an extra pinch of salt if desired.
  • Fill tortillas with the roasted pineapple and vegetables and top with guacamole, vegan sour cream, salsa and cilantro as desired. Serve immediately.

Nutrition

Calories: 176kcal | Carbohydrates: 24g | Protein: 5g | Fat: 7g | Saturated Fat: 1g | Sodium: 611mg | Potassium: 456mg | Fiber: 3g | Sugar: 6g | Vitamin A: 2881IU | Vitamin C: 106mg | Calcium: 48mg | Iron: 2mg

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