Shake Shack is shaking up autumn evenings with a sweet deal. Enjoy a cool fall night with a cool treat — even better with a friend or family member. And, of course, Shake Shack is known for its delicious shakes, in addition to the juicy burgers and crispy crinkle fries on its menu. For fall, the popular restaurant is offering three limited-time seasonal shakes.

Photo: Shake Shack
Sip on the flavors of autumn with three new shakes, including Apple Cider Donut, Pumpkin Patch and Choco Salted Toffee.
From September 26 to November 30, Shake Shack is sweetening fall evenings with buy-one-get-one FREE shake special at participating locations.
The order must be placed on the Shake Shack app or via shakeshack.com. (The offer excludes locations at airports, stadiums and ballparks.)
Here’s how to get the deal:
1. Add any two shakes to your bag.
2. Make sure your order is scheduled for 8 p.m. or later
3. Enter promo code SHAKENIGHT at checkout.
4. Pick-up your shakes and enjoy!
The offer only valid for orders scheduled for 8 p.m. or later. Many locations close at 9 p.m. or 10 p.m., so verify closing time before ordering.
The deal is not valid for in-store, delivery or curbside pick-up nor for orders made through a third-party delivery service.
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.