10
Latest Recipes, Menus, Food & Wine
It's no surprise that the ShackBurger is Shake Shack's most popular order, but does the beloved chain have a secret menu? We reached out to a representative, who confirmed, "Yup! The peanut butter burger is a secret fave, as is grilled cheese. Guests make up all sorts of combinations, like the SmokeShack with peanut butter."