Five Guys is offering another burger promotion for its 40th birthday. The fast food chain is bringing back its buy-one, get-one burger deal, which started March 9 and is set to end March 12, according ...

The latest promotion comes after Five Guys apologized to customers and crew last month for not meeting expectations.

“You visited our restaurants in overwhelming numbers, and we weren’t ready for you,” the company said of its previous promotion last month ...