1 lb. ground beef
3/4 tsp. salt
1/4 tsp. garlic salt
1 can tomato sauce
1/4 c. (or more) sliced stuffed olives
1 c. Mozzarella cheese
Oregano
Hamburger buns

Brown ground beef; drain. Add salt and garlic salt. Add tomato sauce and olives. Simmer 1/2 hour or more. Add Mozzarella cheese. Stir until melted. Spread on hamburger buns; sprinkle oregano on top. Wrap in aluminum foil. Bake 20 minutes at 350 degrees.