
The weight of dried shiitake mushrooms varies depending on their size and how they were dried. One source estimates that 1 ounce of dried shiitake mushrooms contains approximately 8 to 10 whole mushrooms, which would mean that a single dried shiitake mushroom weighs somewhere between 0.4 and 0.53 grams. However, another source suggests that 20 grams of dried shiitake mushrooms rehydrate to 125 grams, which would make a single mushroom closer to 1.6 grams. The discrepancy may be due to the fact that fresh mushrooms are mostly water, and the weight of the rehydrated mushrooms will depend on how much water they absorb.
| Characteristics | Values |
|---|---|
| Weight of one dried shiitake mushroom | 7.5-11.25 grams (based on an estimate of 8-10 whole mushrooms per ounce) |
| Fresh shiitake mushroom substitute for 45 grams of dried shiitake mushrooms | 90-135 grams |
| Rehydration method | Soak in warm water broth for 30 minutes or add to a simmering liquid for 10-15 minutes |
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What You'll Learn

Dried shiitake mushrooms weigh 45g
Dried shiitake mushrooms are used in cooking to add an intense umami flavour and fragrance to dishes, particularly in Chinese and other Asian cuisines. They are often used in soups, stews, stir-fries, and braised dishes. When rehydrated, they can be served as a main course or appetiser, and they add flavour and texture to sauces, meatless main dishes, and stir-fries.
When substituting dried shiitake mushrooms for fresh ones in a recipe, it is important to account for the difference in water content and flavour concentration. Dried mushrooms have a more intense flavour due to dehydration, which concentrates their taste. Generally, one ounce of dried mushrooms is equivalent to about eight ounces (half a pound) of fresh mushrooms.
Assuming that one ounce of dried shiitake mushrooms contains approximately 8 to 10 whole mushrooms, 45 grams of dried shiitake mushrooms would be equivalent to about 5 to 6.25 dried shiitake mushrooms. Using the conversion ratio, this would translate to approximately 4 to 5 ounces of fresh shiitake mushrooms.
When rehydrating dried shiitake mushrooms, it is recommended to blanch them in boiling water for 2 to 5 minutes or soak them in lukewarm water, wine, or consommé for 30 minutes. The soaking liquid can be reserved and used to add flavour to dishes.
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Fresh shiitake mushrooms weigh 90-135g
When substituting dried shiitake mushrooms for fresh ones in a recipe, it is important to account for the difference in water content and flavour concentration. Dried mushrooms have a more intense flavour due to dehydration, which concentrates their taste.
As a general rule, 1 ounce of dried mushrooms is equivalent to approximately 8 ounces (1/2 pound) of fresh mushrooms. However, the exact conversion ratio may vary depending on the type of mushroom and its individual characteristics. For example, shiitake mushrooms are larger and have a more intense flavour than baby bellas, so the conversion ratio may be different.
Assuming that 1 ounce of dried shiitake mushrooms contains approximately 8 to 10 whole mushrooms, we can estimate that 5 dried shiitake mushrooms would weigh about 0.5 to 0.625 ounces. Using the conversion ratio of 1 ounce of dried mushrooms to 8 ounces of fresh mushrooms, this would be equivalent to approximately 4 to 5 ounces or 90-135g of fresh shiitake mushrooms.
Therefore, if a recipe calls for 5 dried shiitake mushrooms, you can substitute them with 4 to 5 ounces or 90-135g of fresh shiitake mushrooms. It is important to note that this conversion ratio may not be exact and adjustments may be needed depending on the desired flavour and texture.
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1 ounce of dried shiitake is 8-10 mushrooms
When cooking with mushrooms, it's important to keep in mind that they come in many different forms: whole, sliced, chopped, dried, canned, and powdered. This can make it tricky to ensure you're using the right amount in your recipes.
Dried shiitake mushrooms have a more intense flavor than fresh mushrooms due to the dehydration process, which concentrates their taste. Generally, 1 ounce of dried mushrooms is equivalent to about 8 ounces (1/2 pound) of fresh mushrooms.
So, if you have 1 ounce of dried shiitake mushrooms, you can estimate that you have about 8 to 10 whole mushrooms. This means that each dried shiitake mushroom weighs somewhere between 0.1 and 0.125 ounces.
When substituting dried shiitake mushrooms for fresh ones in a recipe, it's important to account for the difference in water content and flavor concentration. Fresh mushrooms contain more water and have a milder flavor, so you may need to adjust the quantity or add other ingredients to enhance the depth of flavor.
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20g dried shiitake rehydrates to 125g
When it comes to dried shiitake mushrooms, a little goes a long way. These flavorful fungi are a concentrated source of umami, and just a small amount can add a depth of flavor to a variety of dishes. One gram of dried shiitake mushroom is equivalent to about 6.25 grams when rehydrated, which means that a 20-gram dried shiitake will yield approximately 125 grams of mushrooms when soaked in water.
Rehydrating dried shiitake mushrooms is a simple process. Place the desired amount of mushrooms in a bowl and cover them with warm water. The mushrooms will absorb the water and gradually plump up, indicating that they are ready to be used. Depending on the thickness of the mushrooms, this process can take anywhere from 15 to 30 minutes. Once rehydrated, the mushrooms should be rinsed and any tough stems removed before using.
It is important to note that the rehydration process will result in a slight increase in weight due to water absorption. This is normal and to be expected. The plumped-up mushrooms will have a texture and mouthfeel similar to fresh shiitake, but with an even more concentrated flavor.
A 20-gram portion of dried shiitake mushrooms, once rehydrated, provides a substantial quantity for cooking. This amount will yield approximately 125 grams of mushrooms, which is ample for adding to stir-fries, soups, stews, or even stuffing. The reconstituted mushrooms will have a chewy texture and a deep, earthy flavor that can enhance a variety of recipes.
When using dried shiitake mushrooms in recipes, it is important to consider the expansion in weight and adjust the other ingredients accordingly. For example, if a recipe calls for 100 grams of fresh shiitake mushrooms, you would only need 20 grams of dried shiitake, as it will yield the equivalent amount when rehydrated. This concentration also applies to the flavor, so it is important to taste and adjust seasoning as needed.
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Dried shiitake has a stronger flavour
Dried shiitake mushrooms have a stronger flavour than fresh shiitake mushrooms. This is because dehydration concentrates their taste. Dried shiitake mushrooms have a more intense, earthy, woody, and umami flavour. They are chewy, silky, and meatier than fresh mushrooms.
The process of drying breaks down complex proteins into simpler amino acids, such as glutamate, resulting in a stronger umami taste. Sun-dried shiitake mushrooms are also a good source of vitamin D.
Dried shiitake mushrooms are a staple in Asian cooking, often used in soups, braises, steamed dishes, and stir-fries. They are easier to find and can be stored for months or even years in an airtight container in a cool, dry place or the refrigerator.
When rehydrating dried shiitake mushrooms, it is recommended to soak them in hot water for at least 20 minutes until the caps are tender. The mushroom-soaking liquid can also be used as a bonus ingredient, adding flavour to dishes.
While fresh shiitake mushrooms have a milder, delicate, and creamy flavour, dried shiitake mushrooms are preferred when a deeper and more intense flavour is desired. However, they are not interchangeable, and the choice between fresh and dried shiitake mushrooms depends on the desired flavour and texture in a dish.
Dried shiitake mushrooms are more expensive, costing around $5 per ounce, but they add a unique and robust flavour to various dishes.
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Frequently asked questions
There is no definitive answer to this as it depends on the size of the mushroom. However, one source estimates that 1 ounce of dried shiitake mushrooms contains approximately 8 to 10 whole mushrooms, so one dried shiitake mushroom would weigh somewhere between 0.05 and 0.0625 ounces, or roughly 1.4 and 1.8 grams.
You could try starting with 90 grams or 135 grams of fresh shiitake mushrooms and adjust from there.
Dried shiitake mushrooms are typically sold by the ounce, but 45 grams is a common weight and this is equivalent to about 1.6 ounces.
As mentioned previously, one dried shiitake mushroom weighs somewhere between 0.05 and 0.0625 ounces.
Generally, 1 ounce of dried mushrooms is equivalent to about 8 ounces (1/2 pound) of fresh mushrooms. So, you can divide your fresh quantity by 6 to get the right amount of dried mushrooms. For example, 45 grams of fresh shiitake mushrooms would be equivalent to about 7.5 grams of dried shiitake mushrooms.

























