Boiling an egg doesn't seem that complex, does it? But to get the perfect yolk try our time tested method.
eggs, room temperature
1. Put room-temperature eggs into a saucepan of cold water and place over a medium heat. When the water comes to a simmer, turn off the heat and put the lid on the saucepan.
2. Leave in the pan until cooked the way you like them – see times below.
3. As soon as hard-boiled eggs are cooked, put them under cold running water for a few minutes. This prevents a grey ring forming on the outside of the yolk.