This is a nutritous soup made from fresh 'Huai Shan' aka Diosocrea Opposita with pitted red dates, gojiberries and Yuzhu aka Polygonatum root. 'Huai Shan' is the Chinese name while it is known as Nagaimo in Japanese. Once the skin of the 'Huai Shan' is peeled off, it's very slimy exposing a mucous substance similar to okra but once it is boiled in water, the mucous substance will...