This chicken tinga sheet pan quesadilla is a delicious and easy-to-make meal that's perfect for a quick lunch or dinner. Tender shredded chicken is simmered in a flavorful tomato and chipotle sauce, then layered with melted cheese between two large tortillas and baked until crispy and golden brown. Cut into wedges and served with your favorite toppings, this sheet pan quesadilla is sure to become a family favorite.