Heat a griddle or large non stick skillet over low-medium high heat.
Place the tortillas on a griddle or non stick skillet. Then evenly divide the cheese or sprinkle it onto one half of each tortillas. Then fold the tortilla in half (into a moon shape).
Cook the quesadillas for 1-2 minutes on each side until the quesadilla is golden brown on each side.
Cool slightly, cut into thirds and serve with your favorite toppings and dippers of your choice.