Shake Shack celebrates new limited-time menu with buy-one-get-one free deal

Shake up your taste buds with Korean flavors! Shake Shack is expanding its popular menu with the introduction of a new limited-time Korean Style line-up.

The special menu includes a burger, chicken sandwich, fries and shake. And, for a limited time, customers can enjoy two of the new menu items at a big discount.

Photo: Shake Shack

From April 9 to 22, 2026, Shake Shack is offering a FREE Korean Style menu item with the purchase of another Korean Style menu item at participating locations.

Choose from the following K-Shack menu items:

K-Shack BBQ Burger

K-Shack Fried Chicken Sandwich

K-Shack Fried Chicken Bites

K-Shack Spicy BBQ Fries

K-Shack Spicy BBQ Cheese Fries

K-Shack Spicy Caramel Shake

The offer is only valid for qualifying orders placed at a kiosk in-restaurant or for delivery or pick-up via the Shake Shack app or at shakeshack.com — use promo code SPICYSWEET at checkout. (Be sure to use ALL CAPS, as that’s the only way the promo code will work.)

You must add two K-Shack menu items to your cart prior to checkout. The maximum discount is $17.79. The discount will be applied to the qualifying menu item of lesser value.

Limit one FREE K-Shack menu item per order.

Find locations nationwide here.

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