Introduction to knowledge of mushrooms (fresh mushrooms): Mushrooms are the cap and stalk of Agaricus belonging to Basidiomycetes, which are usually called "four major edible mushrooms" beneficial to human body together with Pleurotus ostreatus, Volvariella volvacea and Lentinus edodes. Mushrooms are 2 ~ 4 cm in diameter, and the umbrella has not been opened yet. The stalk is short and thick, about 2 ~ 4 cm long, and when the transverse diameter is 1.5 ~ 2 cm, the meat is thick, crisp and tender, with rich flavor and the best quality. Artificial cultivation is the most, and its meat is tender and delicious. Belonging to edible fungi.

The mushroom cover is white or light yellow, the young mushroom is hemispherical, the edge is rolled in, and it gradually unfolds into an umbrella shape after maturity. The stipe is supported in the center of the white cap. The bacterial folds are pink at first and then brown. There is a ring on the stem.

Supplementary information of mushrooms (fresh mushrooms): Cleaning mushrooms: there is mucus on the surface of mushrooms, and sediments stick to it, which is not easy to clean. You can put some salt in the water and stir it to dissolve it, and then soak the mushrooms in the water for a while before washing, so that the sediment is easily washed away; In addition, before washing mushrooms, be sure to remove the hard pedicle with more sand at the bottom of the stem, because this part is not easy to wash even with salt water bubbles.

If the mushrooms are heavy, they might as well be stewed into a sauce. Because the delicious ingredients have been dissolved in it, they can be used as seasoning when cooking, which will definitely reduce the salt consumption of the whole dish. Slice the mushrooms, sprinkle with salt and leave for a week. When the mushrooms become soft and dark brown, cook them with slow fire, and then add ginger, garlic, etc. Stew with one-fifth vinegar of mushrooms until the juice is reduced by half, filter with emery cloth and seal in a glass bottle.