1 lb. hamburger
8 c. sliced potatoes
1 sm. onion, chopped
1 can cheddar cheese soup
1 can milk
15 oz. can tomato sauce
1/2 tsp. oregano
1/2 tsp. each salt and pepper
6 oz. mozzarella cheese
1/2 c. Parmesan cheese

Fry hamburger. In large buttered dish, mix all but the cheeses. Dot with butter. Cover dish. Bake for 1 hour or until potatoes are done. Remove cover and add cheese on top. Return to oven, uncovered, for about 15 minutes. Bake at 375 degrees. Serves 6.