1/4 lb. grated American cheese
3 hard boiled eggs, chopped
1 (7 oz.) can tuna
2 tsp. chopped green pepper (opt.)
2 tsp. chopped onion (opt.)
2 tsp. chopped stuffed olives (opt.)

Toss together. Fill 12 hamburger buns. Wrap in foil. Bake at 250 degrees for 30 minutes. Serve hot.