Why Portillo's Hot Dogs Are So Iconic - Tasting Table
Portillo's has been serving Vienna Beef hot dogs since opening in 1963, starting from a trailer in Villa Park, Illinois, and later moving to a brick-and-mortar restaurant in 1967.
Chicago's famous hot dog has been hiding in Calif. suburb for 20 years
Portillo's is a beloved Chicago restaurant chain known for its Italian beef sandwiches, with a surprising and successful location in Orange County for over 20 years.