1 lb. hamburger
1 sm. onion, chopped
1 c. catsup
1 c. water
1 tbsp. mustard
2 tbsp. flour
1 tbsp. sugar
1 can tomato soup
1 tsp. vinegar
Salt and pepper

Brown meat with onions. Add seasonings, soup, catsup and water. Simmer 20 minutes. Add mustard and thicken with flour. Add sugar and vinegar. Serves 6.