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

Cream butter, oil, sugar and egg. Add flour, soda, salt and cream of tartar. Mix well. Add Rice Krispies, nuts and vanilla. Drop by teaspoons on ungreased cookie sheet. Bake for 12 minutes in 325 to 350 degree oven.