1 c. shortening
2 whole eggs
1 c. sour milk
2 tsp. baking soda
1/2 tsp. salt
2 c. sugar
2 egg yolks
1 c. hot water
1 tsp. baking powder
1 c. cocoa

FILLING:

2 egg whites, well beaten
1 tsp. milk
1 c. butter
2 tsp. vanilla
4 tbsp. flour
1 lb. confectioners' sugar

Cream together shortening, sugar, eggs and egg yolks. Add sour milk and hot water and mix well. Sift in flour, baking soda, baking powder, salt and cocoa and beat until smooth. Drop by tablespoonful on cookie sheet and bake at 400 degrees for 10 minutes.