Indulge in the sweet and juicy flavors of this classic strawberry shortcake. Made with layers of tender sponge cake, fresh strawberries, and whipped cream, this dessert is a delightful treat. The secret to its light and airy cake lies in the use of cake flour and whipped egg whites. Garnished with fresh mint leaves and a dusting of powdered sugar, this strawberry shortcake is a perfect summer dessert.