Barbecued Chicken with water

1/4 cup water 3 tablespoons ketchup 2 tablespoons cider vinegar 3 tablespoons brown sugar packed 2 tablespoons worcestershire sauce 2 tablespoons butter or[...]

1 1/2 teaspoons olive oil 1 cup onion chopped 1/2 cup celery chopped 1/2 cup green bell pepper chopped 1/2 cup carrot chopped 4 cups chicken breast halves,[...]