March 22, 2012 No Comments FREE Entree with Purchase at Smashburger To receive your coupon for a FREE entree with the purchase of a Fresh Max Burger or Chicken Sandwich, simply fill out the form and they’ll email the coupon directly to you. Locations. FREE Entree with Purchase at Smashburger -EXPIRED Facebook Twitter Add Comment Notify me of follow-up comments by email. Notify me of new posts by email.