Whoopie Cookies

• 4 1/2 cups flour
• 2 cups sugar
• 2 tsp baking soda
• 1 cup shortening
• 1 cup water
• 1 cup cocoa
• 2 eggs
• 2 tsp vanilla
• 1 cup sour milk

Mix all ingredients thoroughly. Cool several hours. Drop by spoonful onto cookie sheet. Bake at 350 F for 10-15 minutes.

Filling:

• 2 tablespoons flour
• 2 egg whites
• 1 1/2 cups Crisco
• 4 cups icing sugar
• 1 tsp vanilla

Cookies can still be warm when putting filling on.