Wiki: Century egg or pidan (Chinese: Ƥ--; pinyin: p--d--n), also known as preserved egg, hundred-year egg, thousand-year egg, thousand-year-old egg, and millennium egg, is a Chinese preserved food product and delicacy made by preserving duck, chicken or quail eggs in a mixture of clay, ash, salt, quicklime, and rice hulls ...Apr 26, 2017read more >>