1 c. powdered sugar
1 c. white sugar
1 c. butter
2 eggs
2 tsp. vanilla
1 c. cooking oil
1 tsp. salt
1 tsp. baking soda
5 c. flour
1 tsp. cream of tartar

Cream sugar, butter and oil until light and fluffy. Beat in eggs. Sift dry ingredients together. Add first mixture to second and mix well. Roll into balls. Press with a glass dipped in sugar. Bake at 350 degrees for 15 to 20 minutes on an ungreased cookie sheet.