Add 50-60ml of water and cook for13-15min. It won't break the whole egg. There will be a little crack on the surface of the egg, but it will not affect it at all. The less eggs are put, the faster the steam is added, and the more water is consumed, but the cooking time of eggs is certain, so more water is needed.

There is a measuring cup when you buy an egg cooker. You can see how cooked the egg cooker is according to the description you bought. How much water can you add to the measuring cup and then put it on a metal plate. ? The egg cooker is mainly used to cook eggs quickly and conveniently, and can also be used as an egg custard.