Igane Sonkalguksu is an old neighborhood restaurant in Yeongdeungpo serving kalguksu (knife-cut noodles) and sujebi (hand-torn dough soup). Its kalguksu comes in a rich broth with gochu dadaegi, and kimchi is served alongside it. The restaurant has six small tables, so weekday lunch brings a wait, and the grandmother who cooks alone makes service take time. Portions are small, and there is no larger-size option.