It’s all about the food this weekend. Tennessee’s Oldest Town will host its 2023 Jonesborough Days Festival this weekend.The festival will again host its traditional MoonPie Eating Contest and Watermelon Social, but is it’s adding the first-ever Cornbread Contest, hosted by a major social media influencer, event organizers say in a news release. The Moon Pie eating contest begins at 2 pm at the Washington County Courthouse in Jonesborough.