Step 1

Preheat oven to 400 F. In a small bowl, combine cumin, chili powder, paprika, garlic powder, onion powder, salt and black pepper, then stir to combine. Set aside seasoning.

Step 2

Place chicken on a rimmed baking sheet and drizzle with2 tablespoons olive oil. Sprinkle fajita seasoning on both sides of chicken, reserving about 1 tablespoon of the seasoning.

Step 3

Cut the 3 bell peppers and the onion into 1/2-inch thick slices. Evenly distribute on the baking sheet, then drizzle with 2 tablespoons olive oil and the reserved seasoning.

Step 4

Cook in preheated oven until chicken reaches an internal temperature of 165 F and the vegetables are slightly charred, about 15-17 minutes.

Step 5

Serve fajitas with lime wedges and fresh cilantro. Serve as is or in tortillas with cheese, salsa, sour cream, and guacamole.