December 20, 2010 No Comments Free Cinnamon Crunch Dessert at Peter Piper Pizza Valid only at participating Peter Piper Pizza locations. Please mention coupon when ordering. Expires 01-18-2011. Locations. Free Cinnamon Crunch Dessert at Peter Piper Pizza – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.