1 cup shortening. Add 8 tablespoons cocoa. Stir in 2 cups sugar. Add 4 beaten eggs. Add 1 teaspoon vanilla. Stir in 1 cup flour, 1 teaspoon baking powder and 1/2 teaspoon salt. Add sifted mixture to first mixture. Optional add 1/2 cup nuts. Pour into greased 10 x 13 inch pan and bake at 325 degrees for 40-45 minutes.