7 oz. can tuna fish
1/2 c. white American cheese, chopped
1 c. celery, finely chopped
1 sm. onion, finely chopped
1/4 c. mayonnaise
Salt and pepper to taste
Hamburger buns

Mix all ingredients but buns. Spread on buns. Wrap in foil and bake 2 minutes at 350 degrees.