Great gratins: Versatile made-in-advance side dishes can feed a crowd
A gratin, such as this sweet potato and russet potato version, can be made ahead and steal the show at holiday meals. (Jarrad Henderson/Detroit Free Press/MCT)
A gratin, such as this sweet potato and russet potato version, can be made ahead and steal the show at holiday meals. (Jarrad Henderson/Detroit Free Press/MCT)