1 c. white sugar
1 c. brown sugar
1 c. butter
1 c. oil
1 egg
3 1/2 c. flour
1 tsp. baking soda
1 tsp. salt
1 tsp. cream of tartar
1 tsp. vanilla
1 c. oats
1 c. Rice Krispies

Cream sugars, butter, oil, and egg. Add dry ingredients and vanilla and mix. Stir in oats and Rice Krispies. Bake at 350 degrees for 10 minutes.