What Causes the Green Ring on Hard-Boiled Eggs? Explained

white. This reaction produces iron sulfide, which creates the greenish tint around the outer layer of the yolk. While it may not look ideal, it does not mean the egg is spoiled or unsafe to eat.

Even though the discoloration is harmless, overcooking can slightly affect texture and flavor. The yolk may become dry or crumbly, and the egg white can turn continue reading …