Cream sugar and shortening, add peanut butter. Sift dry ingredients and add alternately with milk. Add the beaten eggs last. Put in greased and floured pan and bake 30 to 40 min. In 350 oven. Icing: 2 cups icing sugar 2 tbs margarine, 1 tblsp. Peanut butter and enough hot water to make it spreadable.