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Easy Sheet Pan Fajita Chicken Recipe with Bell Peppers for Quick Dinner

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A quick and easy sheet pan fajita chicken recipe featuring juicy chicken breasts and colorful bell peppers, perfect for a flavorful weeknight dinner with minimal cleanup.

Ingredients

Scale
  • 1.5 pounds boneless, skinless chicken breasts
  • 3 medium bell peppers (red, green, and yellow), sliced
  • 1 medium red onion, sliced into thin wedges
  • 2 tablespoons olive oil
  • 1 teaspoon chili powder
  • 1 teaspoon cumin
  • 1 teaspoon smoked paprika
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon onion powder
  • Pinch of cayenne pepper
  • Salt and pepper to taste
  • Juice of 1 fresh lime
  • Handful of fresh cilantro, chopped (optional)

Instructions

  1. Preheat your oven to 425°F (220°C).
  2. Slice the chicken breasts into thin strips, about 1/2 inch thick. Slice the bell peppers and red onion into similar-sized strips.
  3. In a small bowl, combine chili powder, cumin, smoked paprika, garlic powder, onion powder, cayenne, salt, and pepper. Mix well.
  4. In a large mixing bowl, add chicken strips, bell peppers, and onion. Drizzle with olive oil and sprinkle the fajita seasoning over everything. Toss until each piece is coated.
  5. Spread the chicken and vegetables out in a single layer on a rimmed sheet pan, avoiding overcrowding.
  6. Roast for 20–25 minutes, flipping the chicken and stirring the veggies halfway through (about 12 minutes). Chicken should reach an internal temperature of 165°F (74°C) and be nicely browned.
  7. Once out of the oven, squeeze fresh lime juice over the top and scatter chopped cilantro.
  8. Serve hot, piled in warm tortillas or over rice with optional toppings like sour cream, avocado, or shredded cheese.

Notes

Avoid overcrowding the pan to prevent steaming. Use a sharp knife for even slicing. For extra moisture, marinate chicken strips in lime juice and oil for 15 minutes before seasoning. Broil for last 2 minutes for extra char if desired. Frozen bell peppers can be used with slight adjustment in cooking time.

Nutrition

Keywords: sheet pan fajita chicken, quick dinner, easy chicken recipe, bell peppers, weeknight meal, one-pan dinner, fajita seasoning, healthy chicken recipe