Monday, September 18 is officially National Cheeseburger Day because cheeseburgers. If you want a free ooey, gooey, delicious cheeseburger, open up your DoorDash app or visit DoorDash.com. Why? They've teamed up with the ever-so-popular Shake Shack to give away free cheeseburgers on this tasty foodie holiday. To claim your free burger, enter the promo code SHACK at checkout between the hours of 11 AM and 2 PM local time. That's it!
If you don't want a cheeseburger, you can still get free delivery on any Shake Shack order totaling $12 or more via DoorDash. This free delivery offer ends Monday, September 18. Check out all the participating cities: Atlanta, Austin, Boston, Bridgewater (NJ), Brooklyn, Chicago, Dallas, DC, Houston, LA, Las Vegas, Long Island, Manhattan, Phoenix, Paramus (NJ), Queens, and Scottsdale (AZ).
Plenty of other restaurants are offering great cheeseburger deals on this day. Check them out!