Also known as Songhua egg, changing egg, colored egg, alkali egg, and mud egg.It is a type of preserved egg made by marinating eggs with lime and other ingredients; it gets its name from the pine needle-like crystallization or patterns in the protein.This is a traditional Chinese flavored egg product that is not only beloved by domestic consumers but also enjoys a good reputation in international markets.A fresh duck egg will turn semi-transparent bluish-green after being marinated for about 50 to 100 days in quicklime and husks, looking much older, hence its English name is "a thousand years old".One thousand years..It has a firm texture, rich taste with a slight fishy flavor, making it a Chinese delicacy; typically served after being peeled, sliced, steamed, and cooled.
