Marinated King Oyster Mushrooms

Oyster Mushroom Sandwich

King oyster mushrooms are incredibly meaty and rather neutral in taste. This simple marinade transforms this elegant vegetable into something truly special and incredibly tasty! An impressive starter, snack or sandwich topper full of  dietary fiber, vitamin D, Niacin, Riboflavin and Pantothenic Acid.


400g King Oyster Mushrooms

1 onion

2 Bay Leaves

5 Allspice berries

5 Tbs Tomato Paste

2 Tbs Soy Sauce

2 Tbs of Apple Cider Vinegar

1Tbs Honey (or other sweeter)

5 Tbs Cold pressed Rapeseed Oil

Oil for frying




Cut your mushrooms lengthwise to about 0.5cm thickness. Heat up some frying oil on a pan and fry all mushrooms for 2-3 minutes on each side and until golden brown on the outside. Don’t be tempted to overload the pan, place 2 or 3 slices at a time for the best result. Once done, set aside.

Thinly slice an onion and fry on the same pan along with bay leave and all spice. You can add some more oil if required. Once onions are soft and lightly browned add the soy sauce, tomato paste, honey and vinegar. Season to taste with some freshly ground pepper. Mix well until all ingredients are well combined.

Take the pan off the heat and add your cold pressed oil. Mix well and add all fried mushrooms to the marinade. Make sure all the mushrooms are well coated with the tomato sauce. Place them in a glass jar or glass container and once cooled down, let the mushrooms marinate in the fridge overnight.

Enjoy on a toasted slice of sourdough bread, with crackers or on its own!

Top Tips:

  • adding dry herbs such us rosemary, thyme or oregano is a great idea
  • like some spice? add some cayenne powder to the tomato marinade at the end
  • can’t get hold of king oyster mushrooms? the standard oysters would work just as well but will have a slightly different texture
  • There a fantastic mushroom growing sets available to purchase which means you can grow your own at home
Oyster growing Bag


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