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Easy Sheet Pan Fajitas Recipe with Bell Peppers and Onions Perfect for Busy Weeknights

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A quick and easy sheet pan fajitas recipe featuring chicken, bell peppers, and onions, perfect for busy weeknights with minimal cleanup and bold flavors.

Ingredients

Scale
  • 1.5 pounds boneless, skinless chicken breasts or thighs, sliced into thin strips
  • 3 medium bell peppers (red, yellow, green), sliced into thin strips
  • 1 medium large onion (yellow or white), sliced thinly
  • 2–3 tablespoons olive oil
  • 2 tablespoons fajita seasoning mix (chili powder, cumin, smoked paprika, garlic powder, onion powder, oregano, salt, pepper)
  • 1 lime, juiced
  • Salt and pepper to taste
  • 8–10 flour or corn tortillas, warmed before serving
  • Optional: handful fresh cilantro, chopped for garnish
  • Optional add-ons: sliced jalapeños, shredded cheese

Instructions

  1. Preheat your oven to 425°F (220°C).
  2. Slice the chicken breasts or thighs into thin strips about 1/2 inch thick. Slice the bell peppers and onion into similar thin strips.
  3. In a small bowl, mix fajita seasoning: 1 tbsp chili powder, 1 tsp cumin, 1 tsp smoked paprika, 1/2 tsp garlic powder, 1/2 tsp onion powder, 1/4 tsp dried oregano, 1 tsp salt, and 1/2 tsp pepper.
  4. In a large mixing bowl, combine chicken strips, bell peppers, and onions. Drizzle with 2-3 tablespoons olive oil and sprinkle the seasoning mix evenly over. Toss to coat thoroughly.
  5. Spread the chicken and veggies in a single layer on a rimmed sheet pan, avoiding overcrowding.
  6. Roast in the oven for 18-20 minutes, flipping or stirring halfway through (about 10 minutes) until chicken reaches 165°F (74°C) and veggies are caramelized.
  7. Remove from oven and squeeze fresh lime juice over the fajitas. Sprinkle chopped cilantro if using.
  8. Warm tortillas by wrapping in foil and placing in the oven for 5 minutes or heating individually on a dry skillet for 30 seconds each side.
  9. Serve immediately by spooning chicken and veggies into warm tortillas and adding desired toppings like sour cream, guacamole, or salsa.

Notes

Slice chicken and veggies evenly for uniform cooking. Avoid overcrowding the pan to ensure caramelization. Flip halfway through cooking for even browning. Watch chicken closely after 18 minutes to avoid drying out. Use corn tortillas for gluten-free option. Optional toppings include sour cream, guacamole, salsa, shredded cheese, and fresh cilantro.

Nutrition

Keywords: sheet pan fajitas, easy fajitas, chicken fajitas, bell peppers, quick dinner, weeknight meal, one pan meal

Find it online: https://milacook.com/easy-sheet-pan-fajitas-recipe-with-bell-peppers-and-onions-perfect-for-busy-weeknights/