Burger 21 to Reward BFFs on National Cheeseburger Day
Get ready to melt on National Cheeseburger Day, September 18, with Burger 21 as the award-winning “beyond the better burger” fast casual franchise rewards BFFs (Burger Fry Fanatics) with Cheesy Burgers.
Burger 21 BFFs should log into their B Loyal app to discover and redeem their cheesy treat, valid from September 12 through September 18. Not yet a BFF? You still have time to receive a reward by downloading the app before September 18.