1 can tuna, drained well
2 tbsp. minced onion
2-3 tbsp. mayonnaise
4 hard cooked eggs, chopped
1/2 c. chopped stuffed olives
1/2 can cream of mushroom soup

Mix together and put between loaf of bread cut horizontally in 3 layers. Butter entire outside of loaf and bake at 350 degrees for 25 minutes.

Serve slices with white sauce made with remaining soup.