King Oyster Mushroom Recipe (Trumpet Mushrooms)

King oyster mushoom slices cooked with garlic and green onions.

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King oyster mushrooms are simply fried in a pan with oil and butter and flavored with garlic and green onions. This is the easiest and quickest way of cooking these mushrooms. 


  • 6-8 baby king oyster mushrooms (or 2 giant king oyster mushrooms)

  • 1 tablespoon olive oil (or sesame oil)

  • 1 tablespoon butter

  • 1 clove garlic, minced

  • 1 green onion, chopped

  • A pinch of salt

  • A pinch of black pepper


  1. Heat a pan over high heat. Add in oil and butter.

  2. When the butter melts, place the mushroom slices in the pan and bring the heat down to medium-high.

  3. Cook them for about 3 minutes per side (depending on their size) or until golden. 

  4. Add in garlic and green onions. Sprinkle salt and pepper.

  5. Baste with the butter and cook for another minute.

  6. Serve hot.


  1. If you want, you can score a crisscross pattern into the cut sides.
  2. King oyster mushrooms cook really fast, so keep an eye on them. Check whether they are golden after 3 minutes and then turn them over if they are. 
  3. Cook them right before serving. 
  4. If you want to cook them ahead, do so. You can easily reheat them in a pan on high heat.