1 lb. ground beef
1 sm. onion, chopped
1 can tomato soup
3/4 c. mayonnaise
1/2 lb. diced cheese
1 bottle stuffed green olives, chopped
8 hamburger buns, unsliced

Brown ground beef and onion. Add other ingredients. Hollow out center of buns and fill with mixture. Bake at 350 degrees for 35 minutes. Serves 8.