Cream:

1 c. sugar
1 c. powdered sugar
1 c. butter
1 c. salad oil
2 eggs
1 tsp. vanilla

Add:

5 c. flour
1 tsp. salt
1 tsp. baking soda
1 tsp. cream of tartar

Roll into balls, press with glass dipped in sugar. Bake 375 degrees, 10-12 minutes. Don't brown.