Drying is an age-old method of preserving wild mushrooms to enjoy them year-round. Dried mushrooms will keep for months without refrigeration.
Choose mushrooms that are a tan to pale brown in color; avoid those that are crumbly. Dried porcini must be softened in hot water for at least 20 minutes before using.
As a rule of thumb, one ounce of dried mushrooms will reconstitute to six to eight ounces. Once softened, the mushrooms may be sliced, chopped, or left whole, according to the recipe.
Add reconstituted mushrooms at the beginning of cooking. This allows their highly concentrated flavors to permeate the entire dish. Also, generally, cooks add the soaking water to the preparation for more flavor
Because fresh porcini are rarely found in the United States, generally are substituted by a combination of dry porcini and more common fresh mushrooms, such as chanterelle.
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