Ingredients:
2 lbs. ground beef; 2 small onions, chopped; 2 T. vinegar; 3/4 C. ketchup; 2 T. brown sugar; 2 tsp. mustard; 1 tsp. Worcestershire sauce; 1 tsp. salt; 2 T. water
Preparation:
Brown ground beef and onion. Add all ingredients and simmer at least 20 minutes. Serve on hamburger rolls. Serves 8 to 12.