Dry powder skin can be soaked in cold water, warm water or hot water, or boiled in a pot until soft. The effects of soaking dry powder skin by these methods are similar. The key is not to soak the dry powder skin too soft, but to preserve the taste of some gluten to be delicious.

As for how long it takes for the dry powder skin to soften, it depends on the raw materials of the dry powder skin, the water temperature of the dry powder skin and the thickness of the dry powder skin. The specific time depends on your own experience and feelings.

Fine powder strips will soften in warm water for a few minutes, and it only takes 10 minutes in cold water. The thicker the vermicelli, the longer it takes to soak. It is best to soak the coarse vermicelli in hot water, or directly cook it in cold water until it is soft.

If the dry powder skin is soaked by boiling, it is best to put the dry powder skin in the pot when it is cold water, because there is a hard core in the boiled powder skin, so the cold water will not be like this.