The King Oyster Mushroom (Pleurotus Eryngii, also known as Eryngi, King Trumpet Mushroom, Pleurote de Panicaut and Seta de Cardo) is a very tasty, large oyster mushroom with a great meaty texture.
One of its Dutch names is intriguing: Kruisdisteloesterzwam. The name consists of two parts: the second half is obvious, but why the reference to a plant called Kruisdistel? The King Oyster Mushroom is a parasite on the roots of plants, in general on herbaceous plants and especially on the roots of the Kruisdistel (Eryngium campestre) which brings us nicely back to the name Eryngi.
We often buy Eryngi at our local Asian Supermarket, so we assumed the mushroom is native to China or Japan. Much to our surprise it turns out to be a native to the Mediterranean, the Middle East, and North Africa. Its Italian name is Cardoncello and it’s common in regions such as Calabria and Puglia. Cardoncello is combined with tomatoes and served with orecchiette. Sounds like a delicious dish to us!
But it does raise the question why they’re often sold in Asian supermarkets and why so many recipes combine it with Asian ingredients. Anyone?
We decided to combine Eryngi with very different ingredients, including fried polenta and grilled pancetta. The result is a delicious combination with lots of textures and flavours.
Wine Pairing
We enjoyed the combination with a glass of Rosé, produced by Lionel Osmin, from the Fronton area just north of the French city of Toulouse. The grape used to make this wine was the négrette, a grape that has been used to produce red and rosé wines in the Fronton region since perhaps the 12th century. The wine was low in acidity and had aromas such as violet and strawberry. It was a supple, fruity, balanced wine. In general we would suggest a relatively easy wine, but the wine must have sufficient character, thinking of the different flavours in the dish.
What You Need
- For the Mash
- Green Peas
- Parsley
- Olive Oil
- White Pepper
- Pinch of Salt
- For the Fried Polenta
- Polenta
- (optional) Parmesan Cheese
- (optional) Vegetable Stock
- For the Mushrooms
- King Oyster Mushrooms
- Olive Oil
- Black Pepper
- Pancetta or Speck
What You Do
- Cook the polenta (in vegetable stock) according to the package until ready. You could add Parmesan Cheese.
- Pour the polenta onto a plate and smooth it into an even layer (1,5 centimetres) with a spatula.
- Cool to room temperature.
- Cover with plastic foil and transfer to the refrigerator for use the next day.
- Cook the peas for one or two minutes in water or vegetable stock (preferred). They should have a bite.
- Chop the parsley and combine drained peas with parsley, white pepper and a pinch of salt.
- Blender. Add olive oil and mix. Taste and adjust. The mash can be prepared in advance.
- Turn out the polenta onto a cutting board.
- Cut it into a shape you like (strips, triangles, circles).
- Fry in a generous amount of relatively hot olive oil in a non-stick pan until golden, probably 2*3 minutes.
- In parallel clean the mushroom and slice (not too thin). Some suggest slicing the mushroom horizontally, but then you lose its impressive shape.
- Fry in olive oil until golden brown, probably 2*5 minutes.
- Add just a hint of black pepper before serving.
- Warm the mash.
- Also in parallel: grill speck or pancetta for 3 minutes until crispy.
- Assemble and serve on a warm plate.




I surmise it’s the “oyster” name that gets it lumped with the smaller oyster or enoki mushroom (Flammulina filiformis)?
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Perhaps? We’ve seen mini eryngi but their shape is also different from enoki. They are also different from a culinary point of view: enoki must be prepared quickly. If cooked too long it will lose its texture and flavor.
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Love this! Always inspired by your cooking!
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Thanks John!
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Beautiful. Beautiful mushrooms and a beautiful dish.
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Many thanks!!
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My favorite mushroom. I use it often, with both Asian and Mediterranean flavorings (posted a few recipes in my blog). I really like your pairing it with polenta and green peas mash. Delicious! 🙂
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Thanks! We thought it would be fun to combine it with Mediterranean components such as polenta. Worked very well!
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We’ve found these beauties several times recently. A local growing is expanding into many types of mushrooms, all good.
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Beatiful and tasty!
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You know, I’d never heard of “cardoncelli” (as you correctly point out, the Italian name for your King Oyster Mushrooms) until about 10 years ago, having eaten them in Puglia. Now they’ve become quite the rage all over Italy it seems and even sold in supermarkets. I live near a town called Marino on the Alban Hills south east of Rome, which are all volcanic in nature and full of geological ‘cavities’ that were usefull as cellars for the wine making … anyway, one family decided to grow these cardoncelli in the depths of one of these cellars – so clevery and yay for them, and very good for me!
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Great story, thanks! What’s your favorite dish with cardoncelli?
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It might sound boring, but I like them just pan fried with some garlic and very good extra virgin olive oil, topped off with either parsley or mint. Sliced not too thinly, they could be a great topper for a bruschetta with a dollop of burrata?
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Sorry for the delay in coming back to you. We very much like simple and tasty combinations. Interesting to top with mint, will try!
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