The mysterious ‘secret menu’ at McDonald’s has been speculated for years, but finally a Scottish store manager confirmed its existence. These items aren’t technically standardized on a list hiding somewhere deep inside the McDonald’s castle, but they are custom ‘grill orders’ you can make when you simply describe what you want. Here are the most popular items that you can order if you’re lucky enough to know how. Sometimes the employee might not recognize the name, so an explanation is included on how to order it.