1 egg, well beaten
1 c. sugar
1 1/4 tsp. baking soda
1/4 tsp. salt
2 c. flour
1 c. milk
1 tsp. vanilla
5 tbsp. cocoa
5 tbsp. shortening, melted

In a mixing bowl, beat egg. Add dry ingredients. Beat in milk, vanilla, and shortening. Place amounts of dough on cookie sheets that will make the size whoopie pie you desire, approximately 3 inches. Bake like cookies at 350 degrees for 10 minutes. Prepare filling.

FILLING:

2 c. powdered sugar
Dash of salt
3/4 c. shortening
2 egg whites, unbeaten
1/2 tsp. vanilla

Beat the above ingredients until creamy. Place creamy mixture between two of the baked cookies.