the taste or overall quality of the egg. It is purely a matter of aesthetics… though we can all agree that we prefer a bright, clean-looking yolk!
The real issue: uncontrolled cooking.
If this ring appears, it is usually because the egg was cooked for too long or at too high a temperature. Just as with overcooked pasta, the quality of the finished product suffers.
Many people think they are doing the right thing by cooking the yolk for a long time, but that is precisely where the mistake lies.
