Perfect Soft-boiled eggs

Soft-boiled eggs seems simple, but it's the most difficult simple thing.
Before I come to Canada, I never try to cook a soft-boiled eggs myself. Because we can always buy a ready Soft-boiled eggs from 7-11, and there are many delicious food in Taiwan. So I never think to cook a soft-boiled egg by myself.

sometimes, we will see a  green things between yolk and egg white of the soft-boiled egg, that's because the egg is overcooked and the ferrous is vulcanized. it is not good. So cook a perfect soft-boiled egg is really not simple at all.

Basically, there are 3 kinds of soft-boiled egg: Soft-cooked, Medium-cooked and Hard-cooked.



The soft-cooked is about 80% of yolk are still liquid state and the egg white is just cooked, which has soft and smooth taste.
The hard-cooked is both yolk and egg-white are fully cooked, but its not overcooked. If the yolk is overcooked it will taste like  powder and no flavors.
The medium-cooked is in-between which is depends on the temperature of the heat and time.

Here is some tips for cooking a perfect soft-boiled egg:
Medium size egg,soft-cooked 3 min
Medium size egg,medium-cooked 5 min
Medium size egg,hard-cooked 10-12 min

Large size egg,soft-cooked 4-5 min
Large size egg,medium-cooked 6 min
Large size egg,hard-cooked 11-13 min

Extra Large size egg,soft-cooked 5 min
Extra Large size egg,medium-cooked 7-8 min
Extra Large size egg,hard-cooked 15 min

When the time is up, pull out all the hot water and put those cooked egg into an ice water.
wait for few minute and the soft-boiled egg is ready to eat!!