Mushrooms Official
Most fresh mushrooms last about one week in the fridge when stored properly. 2. Cleaning and Preparation
Remove mushrooms from plastic wrapping immediately. Store them unwashed in an open paper bag in the refrigerator; the paper absorbs excess moisture and prevents them from becoming slimy.
Get a heavy stainless-steel sauté pan very, very hot—it almost can't be too hot. Add a generous film of oil (mushrooms soak it up) ruhlman.com 5 Common Mushroom Cooking Mistakes, and How to Avoid Them MUSHROOMS
To avoid "rubbery" or "soggy" mushrooms, use methods that drive off moisture before browning begins. How To Cook Mushrooms - Michael Ruhlman
Look for caps that are firm and whole with an even texture. Avoid mushrooms that are withered, damp, or slimy, as these signs indicate they are past their prime. Most fresh mushrooms last about one week in
Rinse quickly under cold running water just before cooking, then spin them dry in a salad spinner or pat them thoroughly with a towel.
While many recommend brushing off dirt with a damp paper towel or pastry brush to avoid "waterlogging," testing shows that a quick rinse only increases mushroom weight by about 2%. Store them unwashed in an open paper bag
Mushrooms are culinary "sponges" that require specific handling to achieve their best flavor and texture. Because they are roughly 80–90% water, the primary goal of preparation is to manage moisture.