1/2 c. sugar
1/2 c. butter
1/2 c. powdered sugar
1/2 c. cooking oil
2-1/4 c. flour
1/4 tsp. cream of tartar
1/4 tsp. baking soda
1/4 tsp. vanilla

Preheat oven to 350°FF.

Combine sugars, butter and oil. Sift together flour, cream of tartar, soda, and vanilla. Add to liquid mixture. Drop by teaspoons full and flatten.

Bake 10 minutes.