Whoopie Pies - cooking recipe

Ingredients

1/2 c. shortening
1 c. sugar
2 egg yolks
1 tsp. vanilla
1 c. milk
5 Tbsp. cocoa
2 1/4 c. flour
1 tsp. baking powder
1 tsp. baking soda
1/2 tsp. salt

Preparation

Cream sugar and shortening.
Add egg and vanilla.
Sift dry ingredients and add to mixture, alternately with milk.
Drop by teaspoon onto greased cookie sheet.
Bake at 350\u00b0 for 10 to 15 minutes.