1/2 cup oncooked rice
1-1/2 pounds ground beef
1/2 cup chopped onion
1/2 cup green peppers, diced
1/2 cup celery, diced
1 egg, beaten
2 teaspoons prepared mustard
1 teaspoon salt
2 cans tomato soup
2 soup cans water

Preheat oven to 350 degrees.  Mix all ingredients except soup and water.  Make meatballs at least 2 inches in diamter.  Place in baking dish.  Mix together soup and water and pour over meatballs.  Cover and bake for 1 1/2 hours.  6 servings.