3 Great Knoxville Hole-in-the-Wall Barbecue Joints. We’re taking you on a flavorful journey to explore three great Knoxville hole-in-the-wall barbecue joints that are a testament to the city’s rich culinary heritage. These barbecue joints are not just places to eat; they are experiences steeped in tradition, authenticity, and unbeatable flavor. Welcome to Knoxville, Tennessee, where the barbecue culture thrives, and hidden gems await your taste buds.