Preheat oven to 325 degrees F (165 degrees C) and place oven rack in the center of the oven. Line two baking sheets with parchment paper.
Beat the cream cheese and butter until soft and creamy. Beat in the confectioners' sugar and vanilla until the frosting is soft and creamy.
Klivans, Elinor.Big Fat Cookies. Chronicle Books. San Francisco: 2005.