2 lbs. hamburger
1/3 c. vinegar
2 tbsp. brown sugar
1/2 c. catsup
1 med. onion, cut fine
1/3 c. water
1 tbsp. Worcestershire sauce
1/2 tsp. chili powder (opt.)

Brown hamburger and drain grease. Add the rest of the ingredients. Serve on hamburger buns or bread.