1 c. lard or shortening
2 c. sugar
2 egg yolks
2 whole eggs
1 c. cocoa
1/2 tsp. salt
4 c. flour
2 tsp. vanilla
1 c. sour milk
1 c. hot water
2 tsp. baking soda

Mix first four ingredients. Add dry ingredients and liquid alternately. Drop by spoonfuls on cookie sheet. Bake at 400 degrees for 5 minutes.

FILLING:

2 unbeaten egg whites
1 tsp. vanilla
4 tsp. flour
2 tsp. powdered sugar
4 tsp. milk
1 1/2 c. shortening
1 box powdered sugar

Beat first six ingredients until smooth and fluffy. Then add the box of sugar and beat. Spread filling between two cookies.