1 can of corned beef
1 sm. onion, chopped
1/2 c. celery, chopped
2 tbsp. mayonnaise
1 tbsp. mustard
slices of American cheese

Mix first five ingredients. Spread mixture on open face of bottom and top hamburger buns. Add slice of cheese, before putting top and bottom buns together. Wrap in aluminum foil. Bake 20 minutes at 350 degrees. Makes 10 to 12 sandwiches.