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Crispy Chicken Sheet Pan Quesadillas with Peppers and Cheese

These crispy sheet pan quesadillas make it easy to serve a crowd with golden baked tortillas, juicy seasoned chicken, colorful peppers, onions, and plenty of melted cheese. A second sheet pan helps press everything together, creating a perfectly crisp exterior and a warm, cheesy filling.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 8
Course: Dinner
Cuisine: Mexican
Ingredients Method Notes

Ingredients
  

  • 2 tablespoons olive oil
  • 1 pound boneless skinless chicken breasts cut into small chunks
  • 1 1-ounce package fajita seasoning mix
  • 1 medium onion chopped
  • 1 green bell pepper chopped
  • 1 red bell pepper chopped
  • 8 large flour tortillas
  • 3 cups shredded Mexican cheese blend
  • Sour cream for serving
  • Pico de gallo for serving
  • Fresh cilantro for serving

Method
 

  1. Preheat the oven to 425°F (220°C).
  2. Heat olive oil in a large skillet over medium-high heat. Add chicken pieces and cook until browned and fully cooked.
  3. Add fajita seasoning, chopped onion, green bell pepper, and red bell pepper. Cook until the vegetables soften and the chicken mixture is well combined.
  4. Arrange flour tortillas on a large sheet pan, overlapping them slightly so they cover the surface while leaving some tortilla edges hanging over the sides.
  5. Spread the chicken and vegetable mixture evenly over the tortillas.
  6. Sprinkle the shredded Mexican cheese blend over the filling.
  7. Fold the overhanging tortilla edges over the filling to enclose the quesadilla. Add additional tortillas on top if needed to fully cover the filling.
  8. Place a second sheet pan on top to press the quesadilla down.
  9. Bake for about 25 minutes, until the tortillas are golden and crispy and the cheese is melted.
  10. Remove the top sheet pan, cut into portions, and serve with sour cream, pico de gallo, and fresh cilantro.

Notes

  • The second sheet pan helps press the tortillas together and creates an evenly crisp exterior.
  • The chicken filling can be prepared ahead of time for faster assembly.
  • Use tortillas that are large enough to overlap across the sheet pan.
  • Mexican cheese blend melts well, but other melting cheeses can also work.
  • Serve immediately for the best crispy texture.