Whoopie Pies Ii - cooking recipe

Ingredients

1 cup shortening
2 cups white sugar
4 cups all-purpose flour
1 teaspoon salt
1 cup hot water
2 eggs
1 teaspoon vanilla extract
1 cup unsweetened cocoa powder
1 cup sour milk
3 teaspoons baking soda
2 egg whites
1 tablespoon vanilla extract
3 cups confectioners' sugar
4 tablespoons all-purpose flour
4 tablespoons milk
1 1/4 cups shortening

Preparation

Preheat oven to 350 degrees F (180 degrees C). Grease cookie sheets.
To Make Cookie: Cream together 1 cup shortening, 2 cups sugar, 2 eggs, and 1 teaspoon vanilla.
Sift together 4 cups flour, 1 cup cocoa, and 1 tsp salt. Add alternately to cream mixture with sour milk. Add 3 tsp baking soda to hot water and stir into mixture.
Drop on cookie sheet and bake for about 7-10 minutes.
To Make Filling: Cream together egg whites, 1 T vanilla, powdered sugar, 4 T flour, 4 T milk and 1 1/4 cup shortening.
Beat together until fluffy. Spread between flat sides of cookies.