Clamshell Mushrooms (or beech mushrooms): Full guide

Table of Contents

Clamshell mushrooms, also known as beech mushrooms, or Hypsizygus tessellatus (and Buna shimeji), are a unique species of mushroom with a distinct shape and flavor. Not only do they look like an open clamshell, but their unique taste has made them highly sought after in the culinary world. In addition to their wonderful taste, these mushrooms offer numerous health benefits including helping to reduce cholesterol levels, supporting the immune system, and protecting against certain cancers. In this article, we will explore what clamshell mushrooms are, why they’re so popular in cooking, and what health benefits they can provide. So if you’re interested in learning more about this amazing fungus then read on!

what are brown beech mushrooms and white beech mushrooms?

Brown beech mushrooms, also known as Hypsizigus marmoreus or Buna-shimeji, are a type of edible mushroom that is native to Japan and other parts of Asia. They have a unique flavor that has made them popular in many dishes. Brown beech mushrooms have a firm texture and can range in color from white to light brown.


White beech mushrooms, also known as Pycnoporus cinnabarinus or Himematsutake, are another species of edible mushroom that is found mainly in Japan but can also be found elsewhere in the world. These mushrooms have a mild flavor with hints of almond and are used primarily for their color and texture rather than their taste. White beech mushrooms are often used in soups, stews, and stir-fries.


Both brown and white beech mushrooms offer a variety of health benefits, such as boosting the immune system and reducing cholesterol levels. They also contain high levels of proteins, vitamins, minerals, and antioxidants that may help fight against certain cancers.

Can you eat brown clamshell mushrooms raw?

in short, no. Brown clamshells are safe to eat, however, they should not be eaten raw. Eating these mushrooms raw can cause a gastrointestinal upset as the proteins in them are not broken down and digested properly. It is best to cook these mushrooms before consuming them for optimal safety and nutrition. When cooked correctly, brown clamshells have a nutty, earthy flavor and rich texture that can enhance many dishes from soups and stews to stir-fries and more.

What flavor are clamshell mushrooms?

Clamshell mushrooms have a unique flavor profile that ranges from sweet to earthy and nutty. The texture of these mushrooms is also quite distinct, with a firm yet tender bite. It’s this combination of flavor and texture that makes these amazing mushrooms so popular in recipes for everything from soups to stews to stir-fries. Both brown beech mushroom and white beech mushroom varieties, the two most common clamshell mushroom species, have their own distinct flavor and texture. The white beech mushroom has a milder taste and a softer texture than its brown counterpart.


The unique flavor of these mushrooms also pairs well with other ingredients, making them a great addition to many dishes. They go especially well with herbs like thyme and garlic, as well as other vegetables such as onions and peppers. They can also be used in combination with proteins like chicken or shrimp for a delicious one-pan dish.

Are brown clamshell mushrooms good?

Yes! they are not only edible and delicious, but they also offer a variety of health benefits. These mushrooms are high in protein, vitamins, minerals, and antioxidants, which can help to reduce cholesterol levels, support the immune system, and protect against certain cancers. Additionally, they contain fewer calories than other types of mushrooms, making them an ideal choice for those watching their calorie intake. With their unique flavor profile and tender texture, they make a great addition to any dish. Overall, brown clamshells are a flavorful and nutritious addition to any meal.

How to clean and store beech mushrooms?

Cleaning and storing beech mushrooms properly is essential for maintaining their flavor, texture, and nutrition. First, rinse the mushrooms under cool running water and lightly scrub them with a clean brush to remove any dirt or debris. Once the mushrooms are washed, gently wipe the mushrooms with a damp cloth to remove any dirt or debris. Then, cut away any tough or discolored stems. Finally, place the mushrooms in an airtight container lined with a damp paper towel to help them stay fresh longer. Be sure to store the mushrooms in the refrigerator as they are best when consumed fresh within two to three days of purchase. Once cooked, these tasty mushrooms can keep for up to five days if stored correctly in an airtight container in the refrigerator.

clamshell mushrooms VS oyster mushrooms comparison table

Clamshell Mushrooms Oyster Mushrooms
Shape Clamshell shaped Fan-shaped/oyster lookalike
Texture Firm yet tender bite Soft and velvety
Taste Sweet to earthy, nutty Mild, somewhat sweet, and delicate
Health Benefits Rich in proteins, vitamins, minerals, and antioxidants; can help reduce cholesterol levels, and support the immune system High in protein as well as vitamin D; may also contain anti-inflammatory properties
Availability Commonly found in many parts of the world Mainly found in Asia and North America
Cooking Methods Suitable for various cooking methods such as sautéing, roasting, grilling, or baking Can be cooked using stir-frying, steaming, or boiling techniques



Looking for recipes that feature clamshell mushrooms? Here are some ideas to get you started:

1. Clamshell Mushroom Soup: This creamy soup is the perfect way to warm up on a chilly day. Paired with fresh thyme and garlic, this recipe is sure to be a hit.

2. Clamshell Mushroom and Spinach Frittata: This delicious frittata is packed with protein, vitamins, and minerals to help keep you feeling full. The addition of spinach adds an extra boost of nutrition, making this the perfect breakfast or lunch option.

3. Clamshell Mushroom Risotto: This classic Italian dish is sure to impress! With its creamy texture and nutty flavor, risotto makes for a delicious meal any time of day.

4. Clamshell Mushroom Stir Fry: An easy one-pan meal that’s packed with flavor! Perfectly cooked clamshell mushrooms are paired with tender vegetables and herbs for a tasty dish everyone will love.


No matter how you choose to enjoy these mushrooms, they are a delicious and nutritious addition to any meal. With their unique flavor profile and tender texture, be sure to add these tasty mushrooms to your regular meal rotation!



Eyal Rozen

Eyal Rozen

I found out about Oyster Mushrooms completely by chance and immediately fell in love.
Since then I grew up mushrooms by myself, experimented with different recipes and combinations that I had to share. That's what this blog is about.

About Me

I found out about Oyster Mushrooms completely by chance and immediately fell in love.
Since then I experimented with different recipes and combinations that I had to share. That’s what this blog is about.

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