1 c. butter
1 c. salad oil
1 c. sugar
1 c. powdered sugar
1 tsp. vanilla
2 eggs
4 c. flour
1 tsp. salt
1 tsp. cream of tartar
1 tsp. baking soda

Cream butter, oil, sugar, powdered sugar and vanilla. Add eggs. Sift flour, salt, cream of tartar and baking soda. Add to creamed mixture. Chill. Form into balls on cookie sheet. Greased the bottom of a glass. Rub into sugar and smash. Bake at 350 degrees for 8 to 10 minutes.