Shake Shack is shaking up autumn with a sweet deal. Enjoy a cool fall afternoon with a cool treat — even better with a friend or family member. Shake Shack is known for its delicious shakes (of course!), in addition to the juicy burgers and crispy crinkle fries on its menu. Enjoy a wide variety of shakes at the popular eatery — from non-dairy, limited-time and classic flavors.

Photo: Shake Shack
From September 12 to November 30, 2023, Shake Shack is sweetening fall afternoons with a buy-one-get-one FREE shake special at participating locations.
The order must be placed on the Shake Shack app, online at shakeshack.com or at a kiosk in-Shack. (The offer excludes locations at airports, stadiums, arenas, travel plazas and museums.)
The discount excludes paid add-ons, such as whipped cream and malt. In addition, regional-specific shakes do not qualify for the BOGO special.
Here’s how to get the deal:
1. Add two shakes (any flavor, any size) to your order.
2. Make sure your order is scheduled between 2 p.m. and 5 p.m.
3. Enter promo code FAVESHAKE at checkout.
4. Pick-up your shakes and enjoy!
The offer only valid for orders scheduled between 2 p.m. and 5 p.m.
The deal is not valid for drive-thru purchases, delivery or curbside pick-up or for orders made through third-party delivery services.
Limit one time use per order — with a maximum savings of up to $6.59.
There are 9 locations in Colorado — Boulder, Castle Rock, Denver (4), Greenwood Village, Highlands Ranch and Lone Tree.