Shake Shack Restaurants: Get a Shake Shack SmokeShack Burger Free w/ $10+ Purchase + Free Pickup

Shake Shack Restaurants: Get a Shake Shack SmokeShack Burger Free with $10+ Purchase + Free Pickup. Thumb Score: +17. Shake Shack is offering Select Single Burgers Free with a $10+ Purchase when you apply promo code BURGERMONTH in cart. Available Options: 5/1 – 5/11: SmokeShack, 5/12 – 5/18: Bacon Cheeseburger, 5/19 – 5/25: Avocado Bacon Burger, 5/26 – 6/1: ShackBurger