An curved arrow pointing right. Despite its strong fanbase, not a lot of people know about a secret menu at Shake Shack. So we took a shot at ordering a secret menu item the burger chain once ...

An curved arrow pointing right. Despite its strong fanbase, not a lot of people know about a secret menu at Shake Shack. So we took a shot at ordering a secret menu item the burger chain once ...

Some secrets are just too good to keep, and when it comes to off-menu items at beloved fast-food restaurants, there is a sharing economy thanks to online fans who test these classified orders and ...