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Century Eggs
Century eggs also referred to as hundred-year eggs or thousand-year eggs, are a unique and prized delicacy in Chinese cuisine. Despite the name, the eggs are not actually a hundred or thousand years old, but they are produced through a preservation process that involves immersing duck, chicken, or quail eggs in a mixture of clay, ash, and salt for several months. As a result of this process, the yolk of the egg transforms into a dark green or grey color and acquires a distinct sulfurous odor.