CHOCOLATE WHOOPIE PIES

Why I Love This Recipe
A delicious, chocolaty treat - bet you cannot eat just one.
Ingredients You'll Need
1 cup oil
2 cups brown sugar...
4 eggs
3 cups flour ( 1/2 Occident flour if you wish)
1 teaspoon salt
2 teaspoons baking soda
1 cup cocoa
1 cup milk
2 teaspoons vanilla
Filling
3 egg whites ( may be omitted as they aren't cooked We personally use the dried egg whites which can be purchased i)
3 teaspoons vanilla
6 tablespoons flour
3 tablespoons milk
2 1/4 cups shortening
5 cups confectioners' sugar
Directions
Cream shortening, sugar and eggs. Add vanilla. Add milk alternately with dry ingredients and mix well. Drop onto cookie sheets. Bake@ 350 for 8 minutes.
Cool completely, then place one cookie upside down and coat with filling. Top with another cookie. Wrap in plastic wrap. These freeze really well!
FILLING: Beat egg whites until stiff (if you're using whites). Add vanilla, flour and milk. Beat well. Add shortening and sugar. Whip on high speed for 3-5 minutes.