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
1 tsp. cream of tartar
5 c. flour

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