What is "rousong"

n. A Chinese dried meat product with a light and fluffy texture, made by stewing cuts of pork in a sweetened soy sauce mixture.

Rousong ( ; ), also known as meat wool, meat floss, pork floss, flossy pork, pork sung or yuk sung, is a dried meat product with a light and fluffy texture similar to coarse cotton, originating from China. Rousong is used as a topping for many foods, such as congee, tofu, and savoury soy milk. It is also used as filling for various buns and pastries, and as a snack food on its own. Rousong is a very popular food item in Chinese cuisine.