Cherry and blueberry tart, with Berry-Cherry Sangria, photographed in Walnut Creek, Calif., on Thursday, June 6, 2013.       (Mark DuFrene/Bay Area News
Cherry and blueberry tart, with Berry-Cherry Sangria, photographed in Walnut Creek, Calif., on Thursday, June 6, 2013. (Mark DuFrene/Bay Area News Group) (Mark DuFrene)