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Sheet-pan chicken fajitas with roasted peppers and onions on a baking sheet

Sheet-Pan Chicken Fajitas

Chicken breast, bell peppers, and onions tossed in homemade fajita seasoning and roasted on one sheet pan at 425°F.
Prep Time 15 minutes
Cook Time 25 minutes
Total Time 40 minutes
Course Dinner, Main Course
Cuisine Mexican, Tex-Mex
Servings 4 servings
Calories 340 kcal

Ingredients
  

Main Ingredients

  • 1 ½ pounds boneless, skinless chicken breasts, sliced into 1/2-inch strips
  • 3 bell peppers, sliced into 1/2-inch strips Mix of red, yellow, and orange.
  • 1 large yellow or red onion, sliced
  • 3 tablespoons olive oil
  • 2 teaspoons chili powder Fajita seasoning.
  • 1 teaspoon smoked paprika Fajita seasoning.
  • 1 teaspoon ground cumin Fajita seasoning.
  • ½ teaspoon garlic powder Fajita seasoning.
  • ½ teaspoon onion powder Fajita seasoning.
  • ½ teaspoon dried oregano Fajita seasoning.
  • ½ teaspoon salt Fajita seasoning.
  • ½ teaspoon sugar Fajita seasoning.
  • ¼ teaspoon cayenne pepper Optional.
  • 1 lime, juiced About 2 tablespoons, plus wedges for serving.
  • 8 small flour or corn tortillas Warmed, for serving.
  • sour cream, guacamole, salsa, cheese, cilantro Optional toppings.

Instructions
 

Cooking

  • Preheat the oven to 425°F with a rack in the upper third. Line a large rimmed baking sheet with parchment. Stir together the fajita seasoning ingredients.
  • Slice the chicken, peppers, and onion to a similar 1/2-inch thickness.
  • Put the chicken, peppers, and onion on the pan, drizzle with the olive oil, sprinkle with the seasoning, and toss to coat. Spread in a single layer.
  • Roast 10 minutes, toss, and roast 10 to 15 minutes more until the chicken reaches 165°F and the vegetables are tender with browned edges.
  • Squeeze the lime juice over the fajitas and toss. Warm the tortillas (in foil in the oven for the last 5 minutes, or in a dry skillet).
  • Serve straight from the pan with tortillas and toppings.

Notes

Nutrition is an estimate for the chicken and vegetables only, without tortillas or toppings. Refrigerate leftovers within 2 hours and use within 3 to 4 days. Chicken is done at 165°F.
Keyword chicken fajitas, Easy Fajitas, Family Dinner, One Pan Meals, Sheet-Pan Fajitas