Beigang Tucheng Mackerel Geng. The special feature of Beigang's "Mackerel Geng" is that it is not fried, but rather the fish is cut into pieces, coated in batter, and then boiled. This method allows you to better taste. The special feature of Beigang's "Mackerel Geng" is that it is not fried, but rather the fish is cut into pieces, coated in batter, and then boiled. This method allows you to better taste the freshness of the "mackerel". The soup base is made with napa cabbage and thickened, sprinkled with a little cilantro and red vinegar after cooking, making it a delicious local snack. Mackerel Geng can be eaten in the morning or at night. If you eat it before noon, it is recommended to try "Tucheng Mackerel Geng" at No. 5 Zhonghua Road in the market. It starts selling at 6 AM and closes at 12:30 PM, and is definitely worth a try. Address: 雲林縣北港鎮雲林縣北港鎮中華路5號 Hours: 00:00–23:59 Yunlin