Clean the chicken to your liking
Season the chicken with garlic powder, paprika, brown sugar, and Creole seasoning
Chop the onions and add them to the bottom of the baking dish
Place the seasoned chicken on top of the onions
Add the optional butter
Cover and bake at 400 degrees for about an hour
Baste the chicken with the juices that have formed
Add barbecue sauce and bake uncovered for 45 minutes
Baste the chicken again
Add more barbecue sauce and broil until caramelized and sticky
