Wan Guo Lan. A Lan's Wan Guo strictly controls every step from rice selection, washing, grinding, ingredient preparation, to steaming. It is genuine and uses real ingredients. Inside the wan guo, there are. A Lan's Wan Guo strictly controls every step from rice selection, washing, grinding, ingredient preparation, to steaming. It is genuine and uses real ingredients. Inside the wan guo, there are ingredients such as mushrooms and egg yolks. Drizzled with special soy sauce and served with a bowl of hot soup, it guarantees a lingering aftertaste. Address: 臺南市麻豆區中山路179-8號 Hours: 00:00–23:59 Tainan