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Sizzling Veggie Fajitas With Tempeh In 5 Steps: Easy And Delicious

These sizzling veggie fajitas are smoky, flavor packed, and protein rich thanks to tempeh. A quick, customizable vegan dinner that works for weeknights, meal prep, or entertaining.
Prep Time15 minutes
Cook Time15 minutes
Marinate30 minutes
Total Time1 hour
Course: Main Course
Cuisine: Tex Mex
Diet: Vegan
Keyword: high protein vegan recipes, sheet pan vegetarian dinners, vegan fajitas, vegan gluten free meal prep, vegetarian recipes on a budget, veggie fajitas, veggie fajitas with tempeh
Servings: 4 6 fajitas

Ingredients

Fajita Seasoning & Marinade

  • 4 tbsp olive oil divided
  • 2 tbsp fresh lime juice
  • 1 1/2 rsp smoked paprika
  • 1 1/2 tsp ground cumin
  • 1 tsp garlic powder
  • 1 tsp chili powder
  • 1/2 tsp dried oregano
  • 1/2 tsp crushed red pepper flakes optional
  • Salt & black pepper, to taste

Protein & Veggies

  • 1 1/2 cups tempeh thinly sliced
  • 8 oz mushrooms (portobello or cremini), sliced
  • 1 red bell pepper julienned
  • 1 green bell pepper julienned
  • 1 yellow bell pepper julienned
  • 1 Med onion sliced

For Serving

  • 6 Warm tortillas (corn for gluten free, or flour for traditional) corn for gluten free, or flour for traditional
  • Optional toppings: guacamole, salsa, dairy free sour cream, shredded vegan cheese, jalapeños, cilantro

Instructions

  • Marinate the Tempeh- Whisk spices, lime juice, and half the oil in a bowl. Add tempeh and coat well. Cover and marinate 30 minutes (up to 4 hours for bold flavor).
  • Prep the Veggies-Slice mushrooms, peppers, and onion. Toss with remaining oil and a pinch of salt.
  • Cook the Tempeh-Heat skillet or cast iron over medium‑high. Cook tempeh 5–6 minutes until golden and crisp at edges. Remove and keep warm.
  • Sauté the Veggies-In the same skillet, sauté mushrooms, peppers, and onions for 7–8 minutes until softened but still crisp.
  • Combine & Serve-Return tempeh to skillet, toss everything together for 1 minute. Serve in tortillas with toppings of choice.

Notes

Variations
  • Sheet Pan Style: Roast everything at 425°F for 20 minutes.
  • Spicy Kick: Add chipotle or jalapeños.
  • Protein Swap: Use tofu, seitan, or chickpeas.
Storage
  • Refrigerate up to 4 days in airtight container.
  • Reheat in skillet for best texture.
  • Use leftovers in burrito bowls, wraps, nachos, or salads.
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