2 lbs. lean ground beef
1 med. onion, chopped
2 tsp. salt
1 c. barbecue sauce
1/2 c. catsup
1/2 c. water
3 tbsp. vinegar
1 tbsp. brown sugar

Brown meat and onion; pour off excess fat. Add salt, barbecue sauce, catsup, vinegar, water and brown sugar. Simmer 45 minutes. Serve on hamburger buns.