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
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%. Remove mushrooms from plastic wrapping immediately
Trim the very bottom of the stems. Keep mushrooms whole, quartered, or sliced depending on the recipe, but remember that smaller pieces release moisture faster. 3. Essential Cooking Techniques Add a generous film of oil (mushrooms soak it up) ruhlman