AMISH SOUR CREAM SPICE CAKE AMISH SOUR CREAM SPICE CAKE: In a large mixing bowl, cream shortening with sugars. Add sour cream and mix well. Add flour, baking soda, egg yolks, and allspice. Stir in vanilla and then fold in stiffly beaten egg whites. Bake in loaf or layer pans in 350 degree oven.This is a