Cream shortening; gradually add sugar, beating well. Add buttermilk, soda, baking powder, salt, and ginger; mix well. Add flour, about 1 cup at a time, beating at medium speed of heavy - duty electric mixer to make a stiff dough.
Divide dough into 5 equal portions, and place each on a greased cookie sheet; pat into a 9 - inch circle. Bake at 400° for 6 to 8 minutes or until golden brown. Carefully remove layers to cooling rack.
Stack the layers, spreading 3/4 cup filling between each. Let stand overnight. Garnish top of cake with dried apple slices before serving.