Heat skillet sprayed with cooking spray over medium-low heat.
Place one burrito shell in the bottom of skillet, top with 1/8 cup of cheese, then barbecue pork. Ensure meat and cheese is evenly distributed over entire shell.
Sprinkle another 1/8 cup of cheese on top of the barbecue pork.
Cover with second burrito shell.
Allow quesadilla to cook 3-4 minutes on first side. Carefully, with spatula, flip quesadilla to second side. Allow to cook an additional 3-4 minutes.