Shake Shack: Spend $10 or More, Get Big Shack Sandwich Free (Valid Through 12/7)

Spend $10 or More, Get Big Shack Sandwich Free. Offer valid for qualifying orders placed at a kiosk in-Shack, or for delivery or pick-up via the Shake Shack Mobile App or shakeshack.com. Offer valid from December 1st 2025 through December 31st 2025. Limit one free Promotional Sandwich per order. Max savings equal to the price of the Promotional Sandwich (from $8.49 - $10.99). Order total must include a minimum of $10 worth of food or beverage products. Offer excludes all paid add-ons. Must use promotional code 'SHACKCHEER' at checkout. Code is case sensitive.