Barbecue Chicken - cooking recipe

Ingredients

1/4 c. vinegar
1/2 c. water
3 tsp. sugar
1 tsp. mustard
1/4 tsp. pepper
1 1/2 tsp. salt
juice of 1 lemon
1 medium onion, cut fine
1/8 c. water

Preparation

Simmer for 15 minutes. Cool. Add 1/2 cup ketchup.