Egg foo young in the United States, at least as early as the 1930s, created a pancake filled with eggs, vegetables, and meat or seafood. In a U.S. regional variation, many American-Chinese restaurants in St. Louis, Missouri, serve what is called a St. Paul sandwich, which is an egg foo young patty served with mayonnaise, dill pickle, and sometimes lettuce and tomato between two slices of white bread. In the Netherlands, which has a local variation on the Chinese Indonesian cuisine, it is known as "Foe yong hai", and is usually served with a sweet tomato sauce. Strictly, according to "hai" in the
Yong Tau Foo Hakka versions of yong tau foo consists of tofu cubes stuffed and heaped with minced meat (usually lamb or pork) and herbs, then fried until golden brown, or sometimes braised. Variations include usage of various condiments, including eggplants, shiitake mushrooms, and bitter melon stuffed with the same meat paste. Traditionally, yong tau foo is served in a clear yellow bean stew along with the bitter melon and shiitake variants. In South East Asia, the term "yong tau foo" is used to describe a dish instead of the stuffed tofu item exclusively. It is a variation of the above Hakka cuisine