Celebrate National Dessert Day with some sweet treats from Potbelly! Today only, members of the Potbelly Perk’s Rewards program can enjoy a free cookie or dream bar with the purchase of any entree, no coupon or promo code required! Not a member yet? No problem! It’s fast, easy, and free to sign up and you’ll get access to lots of great deals like this one, all while earning points on every dollar you spend! Get started on the Potbelly app ( iOS | Android ) or website.