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Air Fryer Chicken Fajitas

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Juicy chicken strips, colorful bell peppers, and onions all cooked together in the air fryer in under 20 minutes. Everything is tossed in homemade fajita seasoning and comes out with perfectly charred edges.

Ingredients

Scale
  • 1.5 lbs boneless, skinless chicken breasts or thighs, cut into ½-inch strips
  • 3 bell peppers (red, yellow, green — one of each), sliced into strips
  • 1 large yellow onion, sliced into half-moons
  • 3 tablespoons olive oil
  • Juice of 1 lime
  • 3 cloves garlic, minced
  • Fajita seasoning:
  • 2 teaspoons chili powder
  • 1 teaspoon cumin
  • 1 teaspoon smoked paprika
  • ½ teaspoon garlic powder
  • ½ teaspoon onion powder
  • ½ teaspoon salt
  • ¼ teaspoon black pepper
  • Pinch of cayenne (optional, for heat)
  • For serving:
  • Flour tortillas, sour cream, guacamole, salsa, shredded cheese, fresh cilantro, lime wedges

Instructions

  1. Mix all fajita seasoning ingredients together in a small bowl.
  2. In a large bowl, combine the chicken strips, sliced peppers, and onion. Add the olive oil, lime juice, minced garlic, and seasoning blend. Toss everything until evenly coated.
  3. Preheat your air fryer to 400°F for 3 minutes.
  4. Add the chicken, peppers, and onion to the basket. Spread as evenly as possible — some overlap is okay, but avoid a dense mound.
  5. Cook for 18 minutes, shaking or tossing with tongs at the 8-minute mark. Chicken should reach 165°F internally and vegetables should have some char on the edges.
  6. Warm tortillas in the air fryer at 350°F for 30 seconds each, or wrap a stack in foil and heat at 325°F for 2 minutes.
  7. Serve fajita filling with warm tortillas and toppings of your choice.

Notes

For smaller air fryers (under 5 quarts), cook in two batches for better browning — vegetables first, then chicken.

You can marinate the chicken and veggies in the fridge for up to 4 hours, or cook immediately after tossing.

Leftovers keep for 4 days in the fridge. Reheat in the air fryer at 375°F for 4–5 minutes.

For a lower-carb option, serve the filling over cauliflower rice or in lettuce cups.