In-N-Out Burger's not-so-secret menu hacks are so popular the fast food chain openly acknowledges them, but there's one delicious shake you should order now.

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 ...

Discover In-N-Out secret menu items Californians love, from Animal Style burgers to spicy chili add-ons, that most tourists ...

Discover the strangest items on In-N-Out’s Secret Menu, from the Flying Dutchman to Roadkill Fries.

Unlock California’s tastiest burger secrets with these genius In-N-Out hacks locals use to level up every single bite.

With In-N-Out Burger now open in Ridgefield, many locals may not be aware of the restaurant chain’s secret menu, so I decided to share some inside knowledge.

In-N-Out continues to grow in Arizona, which now has the third most locations. What to know about where In-N-Out is opening in metro Phoenix next.