1 lb. ground beef
1 onion, finely chopped
12 Mozzarella or cheddar cubes, 3/4 inch square
1 c. instant rice, uncooked
10 oz. canned tomato soup
10 oz. canned tomato juice

Preheat oven to 350 degrees. Combine ground beef and onion; season to taste and shape into 12 meatballs. Insert a cheese cube inside each meatball, then roll meatball in rice. Place meatballs in a baking dish. Coat meatballs with 1/2 tomato soup and 1/2 tomato juice. Cover with rest of rice. Cook in oven for 45 minutes. Add rest of soup and juice if necessary.