1 c. powdered sugar
1 c. white sugar
1 c. vegetable oil
2 sticks butter
4 c. flour
2 eggs
1 tsp. cream of tartar
1 tsp. baking soda
3/4 tsp. salt
1 tsp. vanilla

Bake at 350 degrees in ungreased tins. Roll into balls and press down with fork.