1/2 c. shortening
1 c. sugar
5 tbsp. cocoa
2 c. flour
1/2 tsp. salt
1 tsp. baking powder
1 tsp. baking soda
2 egg yolks
1 tsp. vanilla
1 c. milk

Cream shortening and sugar together. Sift cocoa, flour, salt, baking powder, and soda together. Add egg yolks, vanilla, and milk.

Drop on ungreased cookie sheet by teaspoons. Bake at 375 degrees for 10 minutes. Cool on rack. Add 1 tablespoon filling to bottom of cookie and add cookie on top.

FILLING:

1/2 c. shortening
2 c. confectioners sugar
2 egg whites
1 tsp. vanilla

Beat together until stiff.