If you sign up to this link:Please Log In to view this link! They will send you a printable coupon that you can use to enjoy their buy one take one promo for their buttery burgers. You can now share a burger with a friend or have 2 burgers just for your self. Any variety of their Buttery burgers can be used for this promo. Enjoy 2 delicious burgers for the price of one! I am going to abuse this promo while it is available.