Isu Jjukkumi is a retro-style restaurant near Isu Station in Seoul that serves cheolpan jjukkumi and jjukkumi samgyeop. The typical way to eat jjukkumi samgyeop is to add udon sari and dip it in nalchial and cheongyang mayo. Basic side dishes come out once, additional side dishes are taken from a self-service bar, and a lunch special is also offered. Even the mild version is slightly spicy, so those who are sensitive to spicy food should take note.