1 c. butter, softened
1 c. corn oil
1 c. granulated sugar
1 c. xxx sugar
1 tsp. vanilla
4 1/2 c. all-purpose flour
1 tsp. baking soda
1 tsp. cream of tartar
2 eggs

Combine butter, oil and sugars in large mixing bowl, mix well. Add eggs, beat 1 minute. Add vanilla, flour, baking soda and cream of tartar. Combine until smooth. Drop by small teaspoons on ungreased cookie sheet. Bake at 375 degrees for 8 to 10 minutes.