While other cocktails may boast deeper lineage and greater popularity, few have remained as relevant as the iconic Mint Julep recipe. “I think a lot of it has to do with Derby,” McCalls says. “The Derby is the biggest spectacle in sports, one of the last major events where everyone dresses their best. And, of course, it’s a civic duty to have a julep on Derby Day. So, the two make a perfect exacta.”