1 c. butter
1 c. Crisco oil
2 c. sugar
1 tsp. vanilla
2 eggs
4 1/2 c. flour
1 tsp. cream of tartar
1 tsp. baking soda
Dash salt

Cream shortening, sugar and oil. Add eggs. Add dry ingredients. Roll in ball, flatten with fork. Bake in slow oven 325.