Each Tuesday in February, Fatburger and Buffalo’s Express is offering a free order of Fat Fries with any purchase, because the Fat celebration shouldn’t be limited to only February 16.

To claim your free side of fries, customers can mention the promo in store, or use the online code FATTUESDAY21 at check out. This offer is applicable at participating domestic Fatburger or co-branded Fatburger and Buffalo’s Express locations and can be redeemed in-store or online.

“Fat Tuesday is always a big celebration and we’ve loved celebrating this tradition with our customers over the years,” says Andy Wiederhorn, CEO of FAT Brands. “Our Fat Fries continue to be a customer favorite and we are excited to be able to extend the February festivities beyond just one day.