Heat a non-stick pan to high. Spray with cooking spray.
Layer a tortilla, sprinkle with cheese, top with chicken pieces, brush chicken with a little extra BBQ sauce, if using corn add some corn, then top with another sprinkle of cheese and top with tortilla. Lower heat to medium.
Cook tortilla for 4-5 minute until getting brown on the bottom and the cheese starts to melt. Flip and cook for another 4-5 minutes until done. If making in more than once batch, put the quesadilla on a cookie sheet in keep warm in the oven at 300 degrees until remaining quesadillas are finished.
Let quesadilla sit for 3 minutes, then cut into triangles. Serve with your favorite toppings, such as sour cream & salsa.
Recipe by Cook Eat Run at https://cookeatrun.com/2014/07/22/bbq-chicken-quesadillas/