Brown ground beef in skillet, stirring until crumbly; drain.
Combine beef with cabbage, onion, carrots, tomatoes, soup, undrained sauerkraut, potatoes, sugar, brown sugar and water in saucepan.
Season with salt and pepper.
Simmer, covered, for 2 1/2 to 3 hours; adjust seasoning.
Ladle into soup bowls.
Serve with sour cream and dark pumpernickel bread.