William “Bill” Yontz first made this sauce when he was celebrating being cancer free, only 5 years after his intial diagnosis. He made it with love for his family and friends, and was a hit. Now almost 5 years later, he is sharing it with you! Sweet Willie’s Lip Smack’n BBQ Sauce is a North Carolina vinegar based all natural sauce that is a perfect balance of tangy and sweet. Simply put, it is not your ordinary sauce.