A greenish-gray ring around the yolk of a hard-boiled egg might cause concern. Is it a sign of spoilage, or something else ...

They do contain cholesterol, but this is not harmful to most people. One way to enjoy eggs is to hard-boil them. Hard-boiled eggs make great salad toppings and can be eaten with salt and pepper.

What Causes a Green Ring Around the Yolk? “A green ring sometimes seen around the yolk of a hard-boiled egg results from a ...

Now, there’s something admittedly, well, contradictory about making a hard-“boiled” egg in an air fryer—but alas, it works. And it works well. A Salon colleague, Carlyn Zwarenstein ...