Xinpu Rice Cake. Outer skin made from finely ground rice, filled with pork, tuna, and mixed ingredients, pan-fried until golden brown, served with a special sauce made from simmered mackerel. A must-try when you visit Guanmiao. Outer skin made from finely ground rice, filled with pork, tuna, and mixed ingredients, pan-fried until golden brown, served with a special sauce made from simmered mackerel. A must-try when you visit Guanmiao for this unforgettable local delicacy. Address: 臺南市關廟區中山路二段107號 Hours: 00:00–23:59 Tainan