King Oyster Mushrooms

Hamakua Mushrooms

King Oyster Mushrooms
Hamakua Mushrooms

One of my favorite “grown in Hawaii” products at Costco is Hamakua Mushrooms. Sold in an 8 oz. container, the Pleurotus eryngii (a.k.a. King Trumpet Mushroom, King Oyster Mushroom, or Ali’i Oyster) is the largest of the oyster mushrooms. Not only are they beautiful (look at that picture above!), but they taste great when cooked and are quite popular among vegetarian and vegan recipes.

Read more to get information on their nutrition information and a suggested recipe to prepare this Hawaii grown product.

Hamakua Mushrooms is from the Big Island

Hamakua Mushrooms is a company based in Laupahoehoe on Hawaii island. They grow their mushrooms indoors in a 16,000 square foot facility. Visit their website for pictures of their facility and more information on their company.

Nutrition Information for Oyster Mushrooms

For nutrition information and breakdown of possible benefits of the oyster mushrooms, check out this post by, 7 Impressive Benefits of Oyster Mushrooms.

Cooking King Oyster Mushrooms

These mushrooms have a “meaty” texture and hold up well when cooked in a pan. They can look a lot like scallops when the stems are cut into smaller pieces. Check out this recipe from Style Preservation for their King Oyster Mushroom Toast.

King Oyster Mushroom Toast
King Oyster Mushroom Toast by Style Preservation

Notes for Hamakua Mushrooms at Costco in Hawaii


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