Five Guys French fries in a white cup and a Five Guys cheeseburger. - Irati Ventoso Cenzano/Shutterstock Ordering items off a restaurant's secret menu is some of the most fun you can have at any chain ...

Five Guys has earned a loyal following for its made-to-order burgers, golden fries, and creamy milkshakes. But there's more to the chain than its classic combo (did you know Five Guys sells hot dogs?) ...