Some days, Bay Ho banh mi sells out all its pate sandwiches in just three hours. For almost 90 years, the Bay Ho banh mi stall on Huynh Khuong Ninh Street in Ho Chi Minh City’s District1 has been serving its signature pate sandwiches. The best way to find out why this family-run stall has been popular for such a long time is to go there and try the dish for yourself. Get there early, though, the run of the stuff is pretty fast. Ho Quoc Dung, the current owner, says that his grandfather opened the cart in 1930 and customers kept coming back, finding the banh mi pate irresistible. Even today, there are days when the banh mi is sold just three hours after opening, he said. Drive through: The Bay Ho banh mi street cart has been in business for almost 90 years. Daily grind: The signature pate whose recipe is a family secret has won the hearts of generations of foodies with its rich texture and flavor. Family members begin preparing ingredients as early as 4 a.m. so everything in the sandwich is fresh. Customers usually choose between Vietnamese pork sausage and pork char-sui as filling for the banh mi mate, which only costs VND13,000-VND15,000 (57-66 cents) apiece. But the street cart’s current owner, Dung, has added shredded chicken to the menu as his own twist on the original banh mi pate.