3/4 c. ketchup
1/4 c. water
1 tsp. Worcestershire sauce
1 tsp. mustard
2 tbsp. brown sugar
1 lb. ground beef

Mix ketchup, water, Worcestershire, mustard, and brown sugar in a bowl, set aside. Cook and stir hamburger in 12 inch skillet until hamburger is light brown; drain. Add mixture in bowl to hamburger in skillet. Heat to boiling; reduce heat. Simmer uncovered, stirring occasionally about 15 minutes.