The soaking time of shiitake mushrooms varies with the size of shiitake mushrooms and the soaking method. Generally speaking, the time for soaking mushrooms is between half an hour and twelve hours. If it is a small mushroom, the brewing time is very short, about an hour; If it is a big mushroom, the brewing time should be at least twelve hours. It is suggested to soak in warm water, which can make the mushrooms fully absorb water, soften and swell, and improve the umami taste. If you want to soak mushrooms quickly, you can add some sugar and shake them in a fresh-keeping box, and you can soak mushrooms in about half an hour. The soaking time of shiitake mushrooms varies with the size of shiitake mushrooms and the soaking method. Generally speaking, the time for soaking mushrooms is between half an hour and twelve hours. If it is a small mushroom, the brewing time is very short, about an hour; If it is a big mushroom, the brewing time should be at least twelve hours. It is suggested to soak in warm water, which can make the mushrooms fully absorb water, soften and swell, and improve the umami taste. If you want to soak mushrooms quickly, you can add some sugar and shake them in a fresh-keeping box, and you can soak mushrooms in about half an hour. 1, 2-6 minutes, specific analysis. 2. Mushrooms can be soaked in cold water for about 4-6 minutes, and in hot water for about 2 minutes, but the specific time should be determined according to the state of soaking. Generally, mushrooms can be soaked with rich surface. 3. The soaking time is also related to the quality of shiitake mushrooms. The better the quality of shiitake mushrooms, the faster the soaking speed, otherwise, it is not good. Secondly, it is related to the temperature of the foaming water. The higher the temperature of the water, the faster the foaming speed, and vice versa.