2 tbsp. butter
1 c. water
1 c. ketchup
2 tbsp. vinegar
1 tsp. salt
1/4 tsp. pepper
1/4 c. onion, finely chopped
2 tbsp. Worcestershire sauce
2 tbsp. lemon juice
2 tbsp. brown sugar
1 tsp. dry mustard powder
Melt butter. Saute onion until soft. Add remaining ingredients. Simmer for 20 minutes.
