Shake Shack: Buy One Get One Free

Shake Shack is offering Buy One Get One Free when you enter COUPON CODE: THANKYOU online or via their mobile app.

Note: Offer includes ShackBurger, SmokeShack, Hamburger, Cheeseburger, Hot Chick’n, Chick’n Shack, and ‘Shroom Burger.

Note: Coupon expires 1/3/2020. Max savings $7.89. Offer excludes: doubles, Shack Stacks, and regional burgers. Must be signed into an account for discount to apply.