1 c. shortening
1 1/2 c. sugar
2 eggs
3 1/2 c. flour
1 1/2 tsp. baking powder
1 tsp. baking soda
1/2 tsp. salt
1 tsp. vanilla
1 c. sour milk

Cream together shortening, sugar and eggs. Add remaining ingredients and mix well. Drop a large tablespoonful of batter onto an ungreased cookie sheet. Bake at 350 degrees for 10-15 minutes. Cool. Frost half of cookie with chocolate frosting and the other half with white frosting.