1 c. sugar
1 c. butter
1 c. powdered sugar
1 c. oil
2 eggs
3 tsp. vanilla
4 1/2 c. all-purpose flour
1 tsp. cream of tartar
1 tsp. baking soda
1 tsp. salt

Blend sugars, butter, and oil. Add eggs and beat well. Add vanilla. Combine flour, cream of tartar, soda and salt. Sift into first mixture; mix well.

Drop small balls of dough in granulated sugar. Put on baking sheets, flatten with tines of a fork. Bake at 375 degrees for 10-12 minutes. Dough will be very soft. You might add an extra 1/2 cup of flour.