Since it started the drive-thru craze when it opened its first location in Los Angeles 75 years ago, In-N-Out has become a bedrock of California food culture, inspiring cross-country road trips and hosting Academy Award winners for a post-ceremony munch.
In-N-Out, founded in 1948 by Harry Snyder in a 100-square-foot space at Francisquito and Garvey in Baldwin Park, has expanded to 282 locations across the Golden State.
Its consistent no-frills menu has changed very little over the years—the double-double wasn’t introduced until 1963, which is probably why the restaurant’s “secret menu” has become such a big part of In-N-Out lore…