1 lb. hamburger
1 med. onion, chopped
1/3 c. butter, melted
6 oz. spaghetti, cooked
1 c. (4 oz.) grated Swiss cheese
1 lb. Mozzarella cheese
2 (8 oz.) cans tomato sauce
1/2 tsp. oregano
1/2 tsp. basil

Brown hamburger, saute onion in 1 1/3 tablespoons butter. Pour remaining butter (1/4 cup) in an 11 x 7 inch dish. Toss cooked spaghetti in butter. Cover with 1 can tomato sauce. Add in order 1/2 Swiss, 1/2 hamburger, 1/2 Mozzarella and all of onions. Then sprinkle with oregano and basil. Top with remaining sauce, Swiss, hamburger and Mozzarella. Bake 25 to 30 minutes until bubbly at 350 degrees.