Amish Sugar Cookies

4 1/2 cups all-purpose flour
1 tsp baking soda
1 tsp cream of tartar
1 cup sugar
1 cup powdered sugar
1 cup shortening
1 cup vegetable oil
2 eggs
1 tsp vanilla extract

Cream the sugars, oil and shortening. Beat the eggs well and add with
the soda, flour and cream of tartar to the sugar mix. Mix well. Mix in
the vanilla. Roll into small dough balls. Place onto cookie sheet and
flatten with floured fork. Bake in preheated oven, 375 degrees for 10
to 12 minutes. Remove and cool on racks.