Whoopie Pies - cooking recipe

Ingredients

1 c. sugar
1/2 c. shortening
2 egg yolks (save whites for filling)
1 c. milk
2 c. flour
1/2 c. cocoa
1 tsp. baking powder
1 tsp. baking soda
1/4 tsp. salt
1 tsp. vanilla

Preparation

Cream sugar and shortening; add egg yolks, then add milk. Mix well.
Add remaining ingredients.
Drop on ungreased cookie sheet and bake for about 20 minutes in 350\u00b0 oven.