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Sheet Pan Steak Fajitas

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Sheet Pan Steak Fajitas are a fast and flavorful Tex-Mex classic made easy with a one-pan method. Juicy strips of steak are roasted alongside colorful bell peppers and onions, then served in warm tortillas with your favorite toppings for a delicious, family-friendly meal.

  • Author: Tina
  • Prep Time: 10 minutes
  • Cook Time: 25 minutes
  • Total Time: 35 minutes
  • Yield: 4 servings (2 fajitas per person)
  • Category: Main Course, Tex-Mex
  • Method: Sheet Pan Roasting
  • Cuisine: Tex-Mex

Ingredients

1.5 pounds sirloin, flank, or skirt steak, thinly sliced against the grain

1/2 jalapeño, seeded and diced

1 tablespoon extra virgin olive oil (for steak)

1 lime, juice of

1/2 teaspoon low-sodium taco seasoning (for steak)

1 teaspoon garlic powder

1/4 teaspoon salt, plus more for finishing

1/4 teaspoon ground black pepper

2 large white or yellow onions, cut into strips

3 large bell peppers, cored, seeded, and cut into strips

2 tablespoons extra virgin olive oil (for vegetables)

1/2 teaspoon low-sodium taco seasoning (for vegetables)

1/4 teaspoon salt

1/4 teaspoon ground black pepper

8 small tortillas (corn, whole wheat, or flour)

Lime wedges and fresh cilantro

Avocado slices or guacamole

Salsa, Greek yogurt or sour cream, shredded cheese (optional)

Instructions

  1. Preheat oven to 475°F and line two baking sheets with parchment paper.
  2. On one sheet, place steak and vegetables in separate piles.
  3. For steak: Drizzle with olive oil and lime juice, top with jalapeño, and season with taco seasoning, garlic powder, salt, and pepper.
  4. For vegetables: Drizzle with olive oil, taco seasoning, salt, and pepper.
  5. Toss each pile separately to coat evenly. Then mix steak and veggies together and divide evenly between baking sheets in a single layer.
  6. Bake for 20 minutes. Taste a piece of steak for doneness.
  7. Broil for 5 minutes until slightly charred and golden.
  8. Remove from oven and sprinkle steak with a pinch of coarse salt.
  9. Serve hot in tortillas with toppings of choice (avocado, salsa, sour cream, cheese, cilantro, lime).

Notes

  • Spicy: Keep jalapeño seeds or add cayenne for heat.
  • Protein Swap: Use chicken or shrimp instead of steak.
  • Low-Carb: Serve in lettuce wraps or over cauliflower rice.
  • Vegetarian: Replace steak with mushrooms, zucchini, or tofu.
  • Cheesy: Sprinkle shredded cheese after baking for melty finish.
  • Citrus Twist: Add orange juice with lime for extra flavor.
  • Store leftovers up to 3 days in fridge; reheat in skillet for best texture.
  • Not freezer-friendly (veggies get mushy).

Nutrition