Rice Krispies Cookies - cooking recipe

Ingredients

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

Preparation

Mix with box of Rice Krispies.
Drop on ungreased cookie sheet.
Bake at 375\u00b0 for 10 to 15 minutes.