4 lbs. ground beef
1 onion, finely chopped
2 tbsp. butter
1 1/2 c. water
1/4 c. lemon juice
1/2 c. brown sugar
1 c. bottled barbeque sauce
1 tbsp. salt
2 tsp. vinegar (optional)
1 (14 oz.) bottle ketchup

Saute onions in butter until tender. Add ground beef. Brown and drain off grease. Add remaining ingredients. Simmer over medium heat, uncovered, for at least 30 minutes or until most of liquid is cooked away.