[Expired] Shake Shack: Buy One Burger Get One Free, Stack with Amex Gold $10 Credit [Promo Code: SHAKEITUP]

Deal has expired, click here for more Shake Shack deals.

The Offer

Direct Link to offer

• Shake Shack is offering buy one burger and get one free with promo code: SHAKEITUP in the Shack Shack app (Android or iOS).

The Fine Print

• Max $6 value
• Valid 10/22 – 10/26
• One time use

Our Verdict

Not sure how long this promo code will last. Deal stacks nicely with the Amex Gold monthly $10 dining credit.

Hat tip to reader and Ryan and SD