On May 15th the Friends of the Bacon Free Library, located in South Natick, will host a kitchen tour to benefit the town’s beloved, historical library.  The tour will take place between noon and 4:00 pm and will feature six kitchens in South Natick and Dover that range from gourmet to eclectic to elegant to historical.  In addition, each home will feature a culinary or craft boutique from a local vendor.