In one word how would I describe my visit to John Mueller Black Box Barbecue? Memorable. John Mueller is a Texas barbecue legend that grew up learning about smoking meat from his late father, Bobby. The family business, Louie Mueller Barbecue, started in 1949 in Taylor, TX. John Mueller and his sister, Leann Mueller (owner and chef of La Barbecue), since have opened their own barbecue joints. It kind of seems unfair for so much talent to exist in one family, right? John's mos