Lemon-Ginger Angel Food and Raspberry Sorbet Layer Cake

In a traditional ice cream cake, the ice cream and cake are layered together and then frozen. The emphasis is on-the ice cream, and the cake layer is thin. Only the shape and the way it is cut identify it as a cake. Of course, the easy way to enjoy cake and ice cream together is just to plop a hunk of ice cream onto a slice of cake. In the following recipe, the best of both scenarios are combined. The sorbet is first molded in an angel food cake pan so it is the same shape as the angel food