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Photo of vegetarian fajitas on a small white plate garnished with cilantro sitting on a white background.

Vegetarian Fajitas

These easy Vegetarian Fajitas are made with onion, peppers, mushrooms and zucchini seasoned in a zesty marinade. This flavor-packed meal has very little hands on prep time making it perfect for a speedy weeknight meal. This recipe just may become one of your favorite ways to use up your vegetables at the end of the week - feel free to get creative and use what you have on hand!
Course Main Course, Vegetarian Main Course
Cuisine Mexican
Keyword spicy, zesty
Prep Time 10 minutes
Cook Time 11 minutes
Marinading Time 30 minutes
Total Time 21 minutes
Servings 4
Calories 337kcal
Author Wendy Polisi



  • ¼ cup avocado oil
  • 1 lime juiced
  • 1 teaspoon chili powder
  • 1 teaspoon garlic powder
  • 1 teaspoon smoked paprika
  • ½ teaspoon ground cumin
  • Salt and Pepper to Taste


  • 1 tablespoon avocado oil
  • 1 large red onion sliced
  • 3 bell peppers any color, seeded and cut into strips
  • 8 ounces mushrooms sliced
  • 1 zucchini cut into matchsticks
  • 2 cloves garlic minced

For Serving

  • 8 Corn Tortillas
  • Avocado or Guacamole
  • Salsa or Hot Sauce
  • Sour Cream
  • Cheese


  • In a small bowl combine avocado oil, lime juice, chili powder, garlic powder, smoked paprika, cumin, salt and pepper. Whisk to combine.
  • Place mushrooms, onions, peppers, zucchini and garlic in a shallow dish. Pour marinade over the vegetables and let marinade for 30 minutes and up to 2 hours.
  • Heat the oil in a skillet to medium-high heat. Drain the vegetables.
  • Add the onion and peppers to the pan and cook, stirring often, for 6 minutes.
  • Add mushrooms and zucchini and cook for 5 more minutes.
  • Meanwhile, while the vegetables are cooking heat another skillet over medium-high heat. Heat tortillas in the skillet until warmed through, about 2 minutes per side.
  • To serve, add vegetables to the tortillas and top with avocado, salsa, sour cream, and cheese.


Calories: 337kcal | Carbohydrates: 37g | Protein: 7g | Fat: 19g | Saturated Fat: 2g | Sodium: 44mg | Potassium: 680mg | Fiber: 7g | Sugar: 8g | Vitamin A: 3285IU | Vitamin C: 131.3mg | Calcium: 71mg | Iron: 2mg