02 - Place one tortilla on a flat surface. Sprinkle half of it with 1 cup of cheese, then layer with chicken, bell peppers, and onion. Top with another cup of cheese and fold the tortilla in half.
03 - Cook each folded quesadilla in the heated skillet for 3-4 minutes on each side until golden brown and the cheese is melted.
04 - Transfer to a cutting board and slice into wedges. Serve with sour cream or your choice of dip.