‘Tis the weekend for mint juleps and extravagant hats: The Kentucky Derby returns on Saturday for its 147th year, and restaurants and bars around the city are going all in on mint juleps and “best dressed” competitions. Southie’s Coppersmith will serve Kentucky fried chicken and mint juleps, while Cunard Tavern in Eastie will pour glasses of its single barrel Select Eagle Rare Kentucky bourbon and mint juleps, paired alongside Derby-inspired appetizers. (The restaurant is also awarding prizes for “best hat” and “best dressed”). City Tap House in the Seaport is throwing a party with a photo station, specialty swag, themed food, and frozen mint juleps starting at 11 a.m. In the Fenway, Loretta’s Last Call, Game On!, and Lansdowne Pub will all offer food and drink specials, as well as prizes for the best Derby hat. Or you could head to The Beehive, where the South End restaurant will host a Kentucky Derby pre-game party featuring mint juleps, pimento cheese deviled egg