Every day, through Dec. 24, you can grab a FREE Shake Shack burger (burger varies daily) with any in-store or in-app purchase of $10 or more.
For in-app orders, you must use the promo code BURGERBLITZ.
- Dec. 16: ShackBurger
- Dec. 17: SmokeShack
- Dec. 18: Avocado Bacon Burger
- Dec. 19: Cheeseburger
- Dec. 20: Black Truffle Burger
- Dec. 21: Bacon Cheeseburger
- Dec. 22: Avocado Bacon Burger
- Dec. 23: SmokeShack
- Dec. 24: ShackBurger
