Color change, softness, hardness, smell, etc. 1, color change: the color of shiitake mushrooms will change when they are cooked. The color of fresh shiitake mushroom is soft and white, while the color of cooked shiitake mushroom will tend to the color of shiitake mushroom itself, with the color of seasoning, a little bit absent.

2. Hardness and softness: Cooked shiitake mushrooms can be easily poked through with chopsticks, while uncooked shiitake mushrooms are a bit hard and need to be poked through with force.

3. Odor: If you can smell a strong odor of mushrooms, it means that the mushrooms are already cooked. If the odor of the mushroom is still very faint, it means that the mushroom is not cooked.