Pennsylvainia Dutch Whoopie Pies

These Whoopie Pies are some of the best although I would use a deferent frosting recipe then the one that was with it I did not like the way it came out. I am not sure were my sister found this recipe but it was still really good.

Cookie:
2 cups sugar
1 cup of sugar
2 eggs
4 cups flour
1 cup of cocoa
2 teaspoons vanilla
1 teaspoon salt
1 cup milk, with 1 teaspoon white vinegar
2 teaspoon baking soda
1 cup hot water

Directions:

1. Cream together sugar and shortening; add eggs.
2. Sift together flour, cocoa and salt. add to creamed mixture alternately with milk. Add vanilla.
3. Dissolve baking soda in hot water and add last. mixing well.
4. Bake 400 degrees 8-10 minutes.
5. Make sandwiches from 2 cookies filled with Whoopie  Pie filling.

Cream filling ingredients
2 egg whites, beaten
4 tablespoons milk
2 teaspoon vanilla
4 cups of powdered sugar
1 cup shortening
Mix together egg whites, vanilla, milk and 2 cups sugar
beat in the shortening and the remaining sugar
spread a dab of cream filling on a the flat side to form a sandwich pie.

This recipe can be cut in half makes about 50 to 75 cookies.