Microwave or oven bake. Sausage, pepperoni, mozzarella, & provolone cheese. Pepperoni made with pork, chicken & beef. Made with real 100% real cheese. U.S. inspected and passed by Department of Agriculture. Introducing delicious Red Baron Singles made with the finest ingredients, quality toppings and real cheeses. They make the perfect addition to lunch or dinner, or as a wholesome snack on the go. Made with 100% real cheese - UDIA (American Dairy Association). Made in U.S.A.