2 tbsp. onion, chopped
1 tbsp. butter
1 c. ketchup
1/2 c. water
1/4 c. brown sugar
3 tbsp. vinegar
8 chicken breasts

Sauce: Saute onions in butter until brown. Add remaining ingredients, except chicken. Simmer for 15 minutes.

Briquet or gas grill the chicken. Place chicken with flesh side up on grill. Barbecue with low, indirect heat for 15 minutes, brushing frequently with sauce. Turn and cook another 15 minutes, basting as needed. Serve with additional sauce.