Vegetarian Cold Korean Noodle

The dish you're referring to is commonly known as "Naengmyeon" or "Korean Cold Noodles." It is a popular summer dish in Korean cuisine, made with thin, chewy noodles made from buckwheat or potato starch. The noodles are served in a chilled broth made from beef or anchovy stock, and are typically garnished with slices of cucumber, pear, and a boiled egg. Some variations of the dish may also include slices of beef or chicken. Naengmyeon can be served with a spicy mustard sauce or a mild soy-vinegar sauce, according to personal preference. To order this dish in a restaurant, you can simply ask for "Naengmyeon" or "Korean cold noodles."