Igaya Kalguksu is a kalguksu (knife-cut noodles) restaurant in Busan. It serves kalguksu in a mild hwangtae (dried pollock) broth, bibim kalguksu, and bibimbap. Handmade kalguksu, dubu mandu, and wang mandu can be ordered separately, and all ingredients are domestic. The food has a plain, homemade style rather than a polished one, making it divisive (opinions are split).