Cream together the sugar, shortening, and eggs. Set aside. Mix together the flour and baking powder. Set aside. Mix together the soda the buttermilk. Alternate flour and buttermilk while stirring into creamed mixture. Drop by 1/4 cups onto a greased cookie sheet forming balls. Bake at 350 degrees for 8-10 minutes. Flip over when cool and frost half with white frosting and half with chocolate frosting.