Mix together flour, cocoa, baking powder, and cloves. Cream shortening and sugar; add eggs, milk, nuts, dry ingredients. Mix well. Dough should be dry to the touch. Shape into round balls and place on greased cookie sheets. Bake at 400 degrees for 10-12 minutes. Frost. I Frosting: 2 sticks margarine 1 1/2 lb. Confectioners' sugar 1 1/2 tsp. Vanilla 1/2 c. Unsweetened cocoa 8-10 tbsp. Evaporated milk 1/2 tsp. Ground cloves 1/2 tsp. Cinnamon i Cream margarine and sugar and cocoa. Add all other ingredients; mix until smooth.