Fresh shiitake mushrooms.

What it is

Lentinula edodes, grown on supplemented hardwood. Tan-brown caps, sometimes cracked into a pale “donko” pattern when they fruit slowly in cool air — that cracking is a quality mark, not a flaw. Shiitake is the second most-cultivated mushroom on earth and the one most people already recognise, which makes it the easy sell at a market stall and a reliable line for kitchens.

Fresh shiitake and dried shiitake are genuinely different ingredients. Drying concentrates guanylate and pushes the flavour toward smoke and leather; fresh is rounder, meatier and better in a pan. Most recipes assume dried without saying so.

How it tastes, and how to cook it

Assertive: deep umami with a smoky, faintly leathery edge that stands up to soy, miso, garlic, chilli and red wine without disappearing. It is the least delicate species on our list and the hardest to overwhelm.

Give it more time and more fat than an oyster. The caps are firm and want to soften before they brown. Slice thick, start in a hot dry pan, add fat once the moisture has gone, and cook a good six to eight minutes.

• Roasted whole caps, gills up, soy-butter spooned in, 425°F.
• Dashi. Stems and trim, cold-steeped overnight with kombu — the cheapest depth of flavour in any kitchen.
• Sautéed with garlic and soy, folded through rice or noodles.
• Grilled with the cap left whole and scored.

Never throw the stems away. Shiitake stems are too woody to eat whole but they are the most flavourful part of the mushroom — freeze them in a bag and pull from it for stock, dashi and XO all year.

What to look for when you buy

• Caps domed and curled under, not flat and splayed.
• Gills clean and pale. Browning or spotting gills mean age.
• Thick flesh. Press a cap; it should be firm and dense, not papery.
• Dry surface, no tackiness where the caps have been in contact.

Prep, yield and waste

Remove the stem where it meets the cap. Edible trim loss is 15–20% — the highest of anything we grow — which is why the price per usable pound is higher than the shelf price suggests, and why the stock use matters. Do not wash: shiitake caps absorb water readily and turn slimy in the pan.

Keeping it

Five to seven days at 34–38°F in paper. Shiitake tolerates the fridge better than the oysters, and slightly dehydrated shiitake is still perfectly good — it concentrates rather than spoiling, unlike a wet species that slimes.

Availability

Year-round in steady volume, with cooler months producing thicker, cracked-cap fruits. Check this week’s harvest for grade and quantity.

Common questions