Chow Mein is a Chinese dish made with stir-fried noodles, vegetables, and sometimes meat or seafood. The dish typically includes egg noodles, bean sprouts, carrots, onions, and celery, but other vegetables can also be added. The ingredients are stir-fried together in a wok with a flavorful sauce made from soy sauce, oyster sauce, and other seasonings. Chow Mein can be served as a main course or as a side dish, and it is a popular menu item at Chinese restaurants around the world.