The 2026 World Cup, hosted across the United States, Canada and Mexico, has produced the usual run of goals and upsets. It has also produced something nobody put on a bracket: a continent-wide infatuation, among visiting fans, with ranch dressing.

A condiment goes viral

Social media this month has filled with videos of international visitors tasting ranch for the first time — dunking pizza crusts, chicken wings and fries into the creamy, herb-flecked sauce and demanding to know why no one told them about it sooner. The reaction has been enthusiastic enough to become its own running joke online, with fans declaring that Europe needs to import the stuff immediately.

The craze grew large enough that the Transportation Security Administration joined in. After travelers reportedly tried to carry full bottles through checkpoints, the agency posted lighthearted advice urging visitors who "discover ranch" to pack it in a checked bag, Fortune reported. Food brands moved quickly too: Kraft rolled out a travel-friendly ranch packet kit pitched at departing fans, leaning into the moment.

A California story

Most of the tourists swirling their fries in ranch probably don't know they're tasting a California original.

The dressing traces to Steve Henson, a plumber who refined a buttermilk-and-herb recipe while cooking for work crews and later bought a guest ranch in the hills of Santa Barbara County in the 1950s, according to its widely documented history. He called the property Hidden Valley Ranch, and guests liked the house dressing so much they asked to take some home. A mail-order seasoning business followed, and after Clorox bought the brand in the early 1970s, ranch spread into supermarkets nationwide.

It has since become an American staple, overtaking Italian as the country's best-selling salad dressing decades ago and turning up on everything from salads to pizza to chicken wings.

The flavor of the host country

The World Cup has, for a month, turned the U.S. into a showcase — and visitors have latched onto small, distinctly American things, from gas-station snacks to oversized portions. Ranch, with its California roots and its supermarket ubiquity, has become the tastiest emblem of that culture shock.

Whether the enthusiasm survives the flight home is anyone's guess; reports of surging sales abroad remain anecdotal for now. But for a tournament meant to introduce the host countries to the world, ranch has turned out to be an unexpectedly fitting ambassador — a humble condiment, invented on a California ranch, suddenly being chased through airport security by fans from across the globe.