If you are fortunate enough to be invited to attend the Passover seder hosted by Ann Grundfest Gerache of Vicksburg’s Congregation Anshe Chesed, be sure to save room for dessert. Her specialty is sham tart, an ethereal meringue confection covered with sweet fresh strawberries and topped off with a dollop of whipped cream. Made in muffin tins for individual portions, or in a springform pan for one glamorous and irresistible dessert, the dish is Mrs. Gerache’