Of the many items not on the not-so-secret secret menu, there's one In-N-Out burger variation that tops the rest.

In-N-Out Burger, more commonly known just as In-N-Out, is a California staple. It opened in 1948 as a humble drive-thru in Baldwin Park, California, in the San Gabriel Valley, which is east of ...

Add Yahoo as a preferred source to see more of our stories on Google. After months of anticipation, In-N-Out’s grand opening is finally here. The California-based chain will open three Middle ...

The official In-N-Out menu has only a couple of items on it; fans know the good stuff is on the secret menu. This clever hack ...

In-N-Out already has a cult following, but the people who really love the chain know the best orders aren’t usually found on the regular menu. Sure, Animal Style still gets most of the attention, but ...

From In-N-Out's Animal Style to Shake Shack's Peanut Butter Burger, try these secret menu items from popular chains.