Hamburg Porcupines
["1 lb. ground beef", "1 c. cooked rice", "1 egg", "1/2 c. chopped onion", "1 can tomato soup", "1/2 can water", "1/4 tsp. mustard"]
["Mix 1/4 cup soup with beef, rice, egg and onion.", "Roll into meatballs and brown in shortening.", "Blend remaining soup, water and mustard.", "Add to meatballs; cover and simmer for 25 to 30 minutes on low."]
["ground beef", "rice", "egg", "onion", "tomato soup", "water", "mustard"]