Century egg

A century egg is a cured duck egg. They are made by putting the egg in a mix of clay, salt, quicklime, and ash. A century egg is not really 100 years old. People call it a century egg because it looks different and takes months to make. Century eggs can also be made from quail or chicken eggs.

Century egg

A century egg sliced open
Alternative names	preserved egg, hundred-year egg, thousand-year egg, thousand-year-old egg, millennium egg, black egg, blacking egg, skin egg
Place of origin	China
Main ingredients	Egg preserved in clay, ash, salt, quicklime, and rice hulls
Variations	duck, chicken or quail eggs
Cookbook: Century egg   Media: Century egg