At the Four Seasons bHotel/b Chicago, individual angel food cakes are flecked with slivers of lemon verbena, which impart a fresh citrusy, floral taste. More traditional carrot cake comes across as a modern offering at Casual Chef Café in Union b..../b Triple sift 12 oz. sugar with cream of btartar/b. While whipping egg whites to soft peaks, slowly add sugar mixture.Triple sift flour with remaining sugar and salt. Gently fold whites into dry ingredients then add lemon verbena. ...