Halmaejip Hoeguksu is a noodle shop in Jwadong, Haeundae, Busan, near Haeundae Paik Hospital and Seonggajeong Catholic Church. Its signature hoe-guksu mixes chewy noodles with a sweet, sour, and spicy sauce and comes with a broth made from dipori and anchovies. From 8 a.m., hoebibimbap and yukgaejang are also available, and the broth is served in a kettle with free refills. The mul-guksu falls short.