omelette dish. I guess that since the name for the dish is from the Cantonese dialect, it must have its origins in Canton. Just a guess. I may be worng.
Egg foo young is derived from fu yung egg slices, a mainland Chinese recipe from Shanghai.Literally meaning "lotus egg", this dish is prepared with beaten eggs and most often minced ham. It may be made with various vegetables such as bean sprouts, bamboo shoots, sliced cabbage, spring onions, mushrooms and water chestnuts. When meat is used as an ingredient, a choice of roast pork, shrimp, chicken, beef, or lobstermay be offered.