For National Cheeseburger Day on Monday, September 18, diners can nab free Shack Burgers between 11am and 2pm. DoorDash is teaming up with Shake Shack to let customers use the promo code “SHACK” at checkout to redeem either offer. The beloved fast-food chain is giving out free single ShackBurgers to every guest who use the Doordash website or downloads the new DoorDash app and uses it at stores nationwide.
CHICAGO AREA LOCATIONS
66 E. Ohio Street
- Chicago, IL 60611
- 11AM – 11PM, Sunday – Thursday
- 11AM – 12AM, Friday & Saturday