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Shake Shack is celebrating National Burger month by giving its customers a FREE Burger with any $10 purchase now through the end of May!
Here’s what FREE burger they are offering each week:
May 1 to 10 – ShackBurger
May 11 to 17 – SmokeShack
May 18 to 24 – Bacon Cheeseburger
May 25 to 31 – ShackBurger
Be sure to use Promo Code: FREEBURGER for discount to apply!