December 20, 2010 No Comments Free Cinnamon Roll at Whataburger on Tuesday Free Cinnamon Roll at Whataburger with this coupon. Offer valid only on Tuesday, December 21, 2010. Locations. Free Cinnamon Roll at Whataburger on Tuesday – EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.