8 oz. pkg. cream cheese, softened
1/4 c. butter
1 egg yolk
1 box yellow cake mix

Lightly grease cookie sheet. Preheat at 325 degrees. Cream together cream cheese, butter and egg yolk. Work in dry cake mix. Chill dough 1 hour. Drop on cookie sheet and bake 12 minutes or until lightly browned. Makes 5 dozen cookies.