Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
1         pound         ground beef
1         cup           shredded potatoes
1/4       cup           chopped onion
1         teaspoon      salt
1         dash          pepper
                        American singles pasteurized process cheese food
5                       kaiser rolls -- split
5                       red onion slices
                        mushroom slices

Preparation:

Combine meat, potatoes, chopped onion and seasonings. Shape into five patties. Grill both sides on greased grill to desired doneness. Top with cheese food and heat until cheese food melts. For each sandwich, cover bottom half of bun with patty, onion slice and mushroom slices. Serve with top half of bun. 5 sandwiches.