Potbelly Sandwich Shop has a free cookie for new rewards members.
Rewards members should find this deal in their My Perks folder:
Free Cookie from Potbelly! Welcome to Potbelly Perks! You have earned a free cookie on your first order! Valid for 21 days.
To redeem this Perk, pay with your Potbelly Perks account online or by scanning your app in shop. You can sign up for rewards on the Potbelly Perks Page.