St. Paul sandwich gangs in the nineteenth and early twentieth centuries" and was probably derived from egg foo young. They believed that the early Denver sandwiches were actually St. Paul sandwiches. This sandwich was featured in the PBS documentary "Sandwiches That You Will Like" in 2003 and will be featured in a book by artist Kelly Pratt to be released in 2016 called "Stately Sandwiches" as the sandwich chosen to represent the state of Missouri. It is usually only available in Chinese restaurants in the St. Louis metropolitan area as well as a select few Chinese American restaurants in outlying regions of Missouri,
Chinese Canadians in the Greater Toronto Area first association of Chinese-operated, Western-style restaurant owners association in Toronto was established in 1923. By the late 1950s larger, fancier restaurants had opened in the Chinatown in Toronto, and several of them catered to non-Chinese. Fatima Lee, the author of "Food as an Ethnic Marker: Chinese Restaurant Food in Toronto," wrote that after large numbers of educated, skilled Chinese arrived in the post-1967 period, the quality of food at Toronto's Chinese restaurants "markedly improved". The first Hong Kong-style restaurant to open in the city was "International Chinese Restaurant" () on Dundas Street. In 1989 the "Chinese Business Telephone Directories" listed