- 1/3 cup butter
- 1/3 cup shortening
- 2 egg yolks
- 1/2 teaspoon vanilla extract
- 1 (18.25 ounce) package yellow cake mix
- Mix butter, shortening, egg yolks and vanilla. Thoroughly blend in cake mix 1/3 at a time.
- If dough is dry add 1 to 1/2 teaspoons water. Half cup chopped nuts, chocolate morsels, coconut, or raisins can be added to dough.
- Roll dough into long smooth roll and chill until firm.
- Preheat oven to 375 degrees F (190 degrees C).
- Slice cookies about 1/4 inch thick and bake on ungreased cookie sheet about 8 minutes or until cookie is light brown around edges. Cool cookie on sheet about 1 minute before removing to rack.