Whoopie Pies - cooking recipe

Ingredients

4 c. flour
2 c. sugar
1 c. cocoa
1 c. margarine
1 c. buttermilk
1 c. hot water
1/4 tsp. salt
2 tsp. baking soda
4 egg yolks (save whites)
2 tsp. vanilla

Preparation

Put soda in hot water, then combine all other ingredients together.
Add soda and water mixture.
Beat well.
Drop on ungreased cookie sheet, usually about 6 to a cookie sheet.
Bake at 375\u00b0 for 7 minutes.
Let cool; remove from cookie sheet.