2 sticks of butter, soft
1 c. white sugar
2 eggs
1 c. oil
1 c. powdered sugar

Cream these for 5 minutes real well, add:

4 1/2 c. flour
1 tsp. baking soda
1 tsp. cream of tartar
1 tsp. vanilla

Roll into balls. Press with a fork. Bake at 325 or 350 degrees on ungreased pan for 10 to 12 minutes. Do not over bake.