About 20 minutes.

Generally speaking, you can directly use cold water to soak the vermicelli. Soak the vermicelli in enough cold water for 20 minutes until it becomes soft and then you can cook it directly. If the vermicelli is relatively thick, it will be difficult to soak it in cold water. , then we can also use warm water, the time is also about 20 minutes.

In order to shorten the soaking time of vermicelli, some users may soak it directly in boiling water, but this is incorrect because vermicelli soaked in boiling water will be softer and will break easily during cooking. This greatly affects the taste of food.

Extended information:

Notes:

Dry vermicelli can be put into the bag, sealed, and then placed in a cool and ventilated place.

Dry vermicelli can be stored in a dry cupboard at room temperature.

Dry vermicelli should be stored away from moisture as much as possible to avoid the formation of mold.

Dry vermicelli can be put into a bag, sealed and placed in the refrigerator.

Baidu Encyclopedia-Vermicelli