How Fish Gong Fang is a restaurant in Mong Kok, on Dundas Street in Dundas Square, that serves grilled fish and skewers. Its signature dish is grilled gangdaneo with green chili seasoning, and it also serves lamb skewers and grilled garlic eggplant. The fish are large with soft flesh, and waits to get in can run over an hour during peak times. Service is on the rough side.