Photo: Ricardo Diaz from Los Angeles, USA / Wikimedia Commons ยท CC BY 2.0
The Kogi truck used Twitter to announce where it was parking and has been called America's first viral eatery.
Small corn tortillas topped with Korean-marinated grilled meat such as bulgogi, plus kimchi-style slaw and salsa, sold from food trucks.
Why it's made this way: It was popularized in Los Angeles in 2008 by the Kogi truck of Mark Manguera and Roy Choi, who became the first food-truck chef named a Food & Wine Best New Chef.