Sift the sugar and flour together. In a sauce pan, bring to boil the shortening, margarine, water, and cocoa. Pour over the flour mixture while hot. Add the buttermilk, eggs soda and vanilla. Mix well. Pour into greased and floured sheet pan (jelly roll pan) and bake at 400 for 15 to 20 minutes. Frosting: Bring the margarine, cocoa, and milk to a boil. Boil about 30 seconds. Remove from heat and add the powdered sugar, vanilla, and nuts. Stir till mixed and frost cake while icing and cake are still hot. Hope you enjoy it as much as my friends have FROM: DAN DIRKS (SHFG73B) ----