Cheese Quesadillas
["6 (10-inch) flour tortillas", "2 c. Swiss cheese, shredded", "1/2 c. ham, chopped (optional)", "butter"]
["Place cheese and ham in center of tortilla, leaving a 1-inch border. Place another tortilla on top of mixture and press edges together as best you can to seal."]
["flour tortillas", "Swiss cheese", "ham", "butter"]