1 c. butter
1 c. oil (canola)
1 1/2 c. sugar
2 eggs
2 tsp. vanilla

4 1/2 c. flour
1 tsp. baking soda
1 tsp. baking powder
1 tsp. cream of tartar

Cream together butter and oil. Add sugar. Add eggs and vanilla. Add dry ingredients a little at a time. Bake at 325 degrees for 15 minutes.