May 17, 2012 No Comments FREE Lettuce Wraps at P.F. Chang’s Get FREE lettuce wraps at P.F. Chang’s when you download their FREE mobile app on your android or iphone and register for P.F. Chang’s Warrior Rewards. Locations. FREE Lettuce Wraps at P.F. Chang’s Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.