• Step 1

  Preheat oven to 400 degrees. Season chicken with salt and pepper.

• Step 2

  Heat 1/2 Tbsp oil in 12-inch cast-iron skillet on HIGH until oil faintly smokes; add half of chicken in even layer. Cook 1 1/2 min. Turn over; cook about 2 min until internal temp reaches 165 degrees (check by inserting thermometer halfway into thickest part of chicken). Remove from pan. Repeat with remaining chicken.

• Step 3

  Spray skillet with cooking spray; heat on MED. Place tortilla on skillet; top half of tortilla with about 1/3 cup chicken and about 4 Tbsp cheese. Fold in half; cook 1-2 min per side until browned. Transfer to parchment paper-lined baking sheet. Repeat with remaining tortillas.

• Step 4

  Place baking sheet in oven; heat 3-5 min.

• Step 5

  Optional: Serve with salsa, sour cream, guacamole, and lime wedges.

Note: When servings & ingredients are modified, nutrition & directions may vary.