Whoopie Pies (Cookies) - cooking recipe

Ingredients

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

Preparation

Mix all these ingredients together and drop by spoonful onto a greased cookie sheet.
Make round and flat.
Bake at 350\u00b0 for 10 minutes.