Grandpa Louis McMillan, 69 of Fannin, Texas, is a master at the art of barbecue. He knows what temperature to cook the meat, how to apply dry rub, how long to smoke it and cook it. His eatery was a former post office -- and the food there always delivers. It was deemed one of Texas' top barbecue joints many years running. If you like brisket, ribs and the South, you will not want to miss this episode.