Cream shortening and sugar. Add eggs one at a time and beat vigorously. Add flavors to mixture. In a separate bowl make a paste of cocoa and food coloring and blend into shortening mixture. Sift together dry ingredients and add alternately with buttermilk to mixture. Add vinegar to mixture with last part of buttermilk. Blend well. Bake in 3-9" or 10" pans for 20-25 minutes at 350 degrees. Let cool completely. Cover with frosting.