Granny's Homemade Oreo's

2 cups sugar/ 1 cup shortening
2 eggs/ 1 1/2 cup buttermilk
(for buttermilk can substitute with 1 1/2 cup milk add 2 Tble vinegar let set 5 minutes)
1/4 tsp salt/ 2 tsp soda
8 Tble cocoa/ 4 cups flour
1 1/2 tsp vanilla

Mix like cake. Drop by Tble on a greased cookie sheet. Bake at 350 for 10 minutes.
Let cool.

Filling:
1 cup margerine/ 1 cup powder sugar
4 Tble flour/ 4 Tble milk
1 tsp vanilla

Beat together til smooth. Spread between cookies.