Tteokbokki is a popular street food in Seoul. It consists of chewy rice cakes cooked in a spicy sauce made from gochujang, soy sauce, and other seasonings. Tteokbokki is often served with fish cakes, boiled eggs, and vegetables. It has a unique combination of flavors, with the spiciness of the sauce balanced by the chewiness of the rice cakes. Tteokbokki is a favorite snack among locals and is a must-try for anyone visiting Seoul.