Oven Barbeque Chicken

1 8-ounce can tomato sauce
1/4 cup molasses
2 Tablespoons vinegar
1 Tablespoon worchestershire sauce
2 Tablespoons dry mustard
pepper
1/2 cup water
2 Tablespoons butter
2 Tablespoons minced onion
1 teaspoon salt
1/4 teaspoon chili powder
chicken pieces

Directions:
1. Wash and cut chicken into serving pieces. Place in 9x13 baking dish, single layer.
2. Mix sauce ingredients together and pour over chicken.
3. Bake 1 hour at 375 degrees.