"In 2019 chef Jae Lee developed a kimchi-based burger sauce and a closely guarded seasoning blend for the patty to reinvent the classic smash; after debuting the kimchi smash at a New York pop-up and earning praise from Gothamist as one of the city’s greatest burgers, he opened his own restaurant where the kimchi smash—an affectionate take on a Big Mac—remains a bestseller, selling roughly 1,200 burgers per week." - BySam Stone