The Field Guideby Moss & MarrowThe Field Guideby Moss & Marrow
Also called champignons, kastanjechampignons, oesterzwammen, shiitake.
Cultivated mushrooms are available all year from Dutch producers. Cultivated mushrooms are sold all year.
Button, chestnut and oyster mushrooms and shiitake are grown indoors all year, so they have no season. The Netherlands is one of Europe's biggest growers.
Dry, firm caps. Buy loose rather than wrapped.
B vitamins (riboflavin, niacin, pantothenic acid), selenium, potassium and the fibre beta-glucan. Vitamin D only if they have seen UV light.
To get the most: Mushrooms left gill-side up in sunlight for an hour make vitamin D, the same way skin does. Cook them; raw mushrooms are hard to digest and some compounds in raw champignons are better destroyed by heat.
On our nutrient density chart, a normal serving of mushrooms white (100 g) gives about a third of a day's vitamin B2 and about a fifth of a day's vitamin B3, counting what your body absorbs.
Content per NEVO, the Dutch food composition database. This describes what the food contains, not what it does for you.
Fry in a hot, dry pan without crowding until browned, then add fat and salt.
Stalks are as good as caps; trim only the very base. Dried-out mushrooms grind into a seasoning powder.
6 producers in The Field Guide sell cultivated mushrooms, each checked against our inclusion criteria and listed by province.
Open on the map →visited by moss & marrowFarm shop · WageningenVeg & fruit · mushroomsDates read on 2026-10-11. If a window on this page is wrong, tell us with a source.
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