Good-Cooking - Barbecue Baked Chicken

Ingredients

• 2 to 3 pounds chicken parts, boned or not
• 1/4 cup (1/2 stick) butter
• 1 cup packed brown sugar
• 1/2 cup diced green bell pepper
• 1/2 cup diced onion
• 1/4 cup vinegar
• 1 cup catsup
• 1 bottle barbecue sauce