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Easy Sheet Pan Fajita Chicken Recipe with Peppers Perfect for Quick Dinners

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A quick and easy sheet pan fajita chicken with peppers recipe that delivers juicy chicken and tender roasted vegetables with smoky, spicy flavors. Perfect for busy weeknights and minimal cleanup.

Ingredients

Scale
  • 2 large chicken breasts (about 1 lb / 450 g), thinly sliced
  • 3 medium bell peppers (red, yellow, and green), sliced into thin strips
  • 1 large yellow onion, thinly sliced
  • 2 tbsp extra virgin olive oil
  • 2 tbsp fajita seasoning (chili powder, smoked paprika, cumin, garlic powder, onion powder, pinch of cayenne)
  • 1 tsp salt
  • ½ tsp black pepper
  • 1 tbsp fresh lime juice
  • Fresh cilantro (optional, for garnish)
  • Flour or corn tortillas, warmed (for serving)

Instructions

  1. Preheat your oven to 425°F (220°C).
  2. Slice the chicken breasts into thin strips, about ¼ inch (6 mm) thick.
  3. Core and slice the bell peppers into thin strips, about the same size as the chicken. Peel and slice the onion similarly.
  4. In a large mixing bowl, combine the chicken, peppers, and onions.
  5. Drizzle with olive oil and sprinkle the fajita seasoning, salt, and black pepper evenly over everything.
  6. Toss well so every piece is coated with the oil and spices.
  7. Spread the mixture out in a single layer on a parchment-lined baking sheet.
  8. Roast in the preheated oven for 20-25 minutes. About halfway through (at 12 minutes), use tongs to flip the chicken and stir the peppers to promote even cooking.
  9. Check for doneness: The chicken should reach an internal temperature of 165°F (74°C). The peppers will be tender with slight browning on the edges.
  10. Remove from the oven and squeeze fresh lime juice over the entire pan. Give a final toss to combine.
  11. Garnish with fresh cilantro if desired and serve immediately with warm tortillas.

Notes

Slice chicken and vegetables evenly for uniform cooking. Do not overcrowd the pan to avoid steaming. Roast at high heat (425°F) for best texture and juiciness. Let chicken rest a few minutes after roasting. Can prepare chicken and veggies ahead and refrigerate before roasting. Use fresh fajita seasoning for best flavor. Watch peppers near the end to avoid over-softening.

Nutrition

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