Kara’s Cupcakes is sweetening January and the Napa Valley Vine Trail with a chocolaty chocolate vanilla chocolate chip cupcake — a chocolate cupcake with a chocolaty chocolate chip sweet vanilla frosting. A portion of the proceeds benefit the Napa Valley Vine Trail, an in-progress multi-use path connecting the entire Napa Valley for families to share. Available at the bakery or pre-order by calling (707) 258-2253.