"That’s how Animal Style burgers got their name, and the request is the first known instance of a secret In-N-Out menu item," wrote In-N-Out CEO Lynsi Snyder in "The Ins-N-Outs of In-N-Out Burger: The ...

These In-N-Out secret menu orders are Michigan locals’ go-to favorites, even though the chain has no locations in the state.

Out’s secret menu, from Animal Style burgers to Neapolitan shakes, even without a single location in the state.

In-N-Out has officially opened in Washington, offering a "secret menu" beyond its standard options of Double-Double, cheeseburger, hamburger and fries. Secret menu items include Animal-Style fries and ...