Find recipes for Triple-Layer Chocolate Cake and other Course recipes. Get all the best recipes at . Recipe directions: In a large bowl, cream the butter, shortening and sugar until light and fluffy. Add eggs, one at a time, beating well after each addition. Stir in vanilla. Combine the flour, cocoa and baking soda; add to the creamed mixture alternately with buttermilk. Fold in coconut and pecans.