Oven Barbecued Chicken
["3 to 4 lb. chicken pieces", "1/3 c. chopped onion", "3 Tbsp. butter or margarine", "3/4 c. ketchup", "1/3 c. vinegar", "3 Tbsp. brown sugar", "1/2 c. water", "2 tsp. prepared mustard", "1 Tbsp. Worcestershire sauce", "1/4 tsp. salt", "1/4 tsp. pepper"]
["Heat a small amount of oil in a large skillet; fry chicken until browned.", "Drain; place chicken in a 13 x 9 x 2-inch baking dish.", "In a saucepan, saute onion in butter until tender; stir in remaining ingredients.", "Simmer, uncovered, for 15 minutes.", "Pour over chicken.", "Bake at 350\u00b0", "about 1 hour or until chicken is done, basting occasionally.", "Yields 6 to 8 servings."]
["chicken pieces", "onion", "butter", "ketchup", "vinegar", "brown sugar", "water", "mustard", "Worcestershire sauce", "salt", "pepper"]