
Whether or not to clean mushrooms is a highly debated topic in the culinary world. Some chefs believe that washing mushrooms can make them slimy and less flavourful, while others argue that a quick rinse before cooking is perfectly fine. The best method for cleaning mushrooms depends on the type of mushroom and the level of dirtiness. Cultivated mushrooms, for example, are usually cleaner than wild mushrooms. When cleaning mushrooms, it is important to remove any dirt or debris without introducing too much moisture, as mushrooms are porous and can become waterlogged.
| Characteristics | Values |
|---|---|
| Mushrooms to be washed or not | Mushrooms can be washed, but it is not necessary. Brushing off the dirt is enough for cultivated mushrooms. Foraged mushrooms should be washed to remove dirt and insects. |
| Type of mushrooms | Cultivated mushrooms are grown in sterile compost and are relatively clean. Wild or foraged mushrooms may have more dirt and grit. |
| Variety of mushrooms | Mushrooms with exposed gills like portobellos, oyster mushrooms, and shiitakes are more absorbent and should be brushed with a dry paper towel or brush. Mushrooms without exposed gills like button, cremini, and porcinis can be rinsed in cold water and dried with a towel. |
| Pre-sliced mushrooms | Pre-sliced or chopped mushrooms are already clean and ready to eat. Whole mushrooms should be washed before slicing. |
| Timing | Mushrooms should be cleaned right before cooking as exposure to moisture can lead to mould and rotting. |
| Tools | Mushrooms can be washed in a colander or a salad spinner and dried with a clean dish towel or paper towels. |
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What You'll Learn

Cleaning mushrooms with water
There are various methods for cleaning mushrooms with water, and many people have differing opinions on whether you should clean mushrooms with water at all.
Firstly, it is important to distinguish between cultivated and wild mushrooms. Cultivated mushrooms, which are grown in sterile environments, are the most common type of mushrooms available in grocery stores. Wild mushrooms, on the other hand, can be found in farmers' markets and may require different cleaning techniques. If your mushrooms are relatively clean, simply brush off any remaining dirt or cut off any sections that are holding dirt, usually the base or end of the stem.
If your mushrooms require a deeper clean, there are a few water-based methods you can use. One method is to fill a large bowl with water and add the mushrooms. Toss them in the water for a minute or so until the dirt settles at the bottom of the bowl. Then, remove the mushrooms and pat them dry. Another method is to place the mushrooms in a colander and spray them with water until the dirt washes away. Again, make sure to pat the mushrooms dry afterward. These methods are quick and effective, but it is important not to soak the mushrooms for too long, as they can become waterlogged.
Some people prefer to give their mushrooms a quick rinse under running water, especially if they look muddy or have been grown locally. While this method is convenient, it may not be as thorough as the previous methods. Additionally, it is important to cook the mushrooms immediately after rinsing, as washed mushrooms do not keep well.
It is worth noting that some chefs and cooks advise against washing mushrooms altogether. The concern is that washing mushrooms can make them slimy, mushy, or less flavorful due to excess moisture. As an alternative to washing, some people recommend using a damp cloth, paper towel, or brush to gently wipe away any visible dirt or grime. This method ensures that the mushrooms stay dry and are less likely to become waterlogged.
Ultimately, the decision to clean mushrooms with water depends on personal preference and the type of mushrooms being used. While some advocate for washing mushrooms to remove dirt and debris, others believe that brushing or wiping the mushrooms is sufficient and helps maintain their texture and flavor.
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Brushing mushrooms
When it comes to cleaning mushrooms, the first step is to determine whether they are cultivated or wild. Cultivated mushrooms, which are typically purchased from grocery stores, may only need a light brushing to remove any dirt or debris. On the other hand, wild mushrooms may require a more thorough cleaning to ensure they are safe for consumption. It's important to do your research and properly identify wild mushrooms before cleaning and cooking them.
If the mushrooms appear relatively clean, a soft-bristled brush or a dry pastry brush can be used to gently remove any visible dirt or debris. This method is particularly useful for raw mushrooms as it helps keep them dry. A paring knife can also be used to carefully remove any stubborn dirt clods. If the mushrooms are cultivated, this step may be all that is needed to clean them.
However, if the mushrooms are wild or particularly dirty, a more thorough cleaning may be necessary. One approach is to use a damp cloth or a slightly moistened paper towel to wipe down the mushrooms and remove any remaining dirt. This method is gentle on the mushrooms while still effectively cleaning them.
For very dirty mushrooms, a quick rinse under running water may be required. It is important to avoid soaking mushrooms in water as they are porous and can become waterlogged, which can affect their texture and flavour. If rinsing, it is recommended to cook the mushrooms immediately after cleaning to prevent discolouration and to ensure they are cooked thoroughly before consuming.
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Cleaning wild vs cultivated mushrooms
When it comes to cleaning mushrooms, it's important to differentiate between cultivated and wild mushrooms, as they are grown in vastly different environments and require unique cleaning approaches.
Cleaning Cultivated Mushrooms
Cultivated mushrooms are typically grown in sterile environments, resembling science laboratories with sterilized compost, white coats, and gloves. These mushrooms, commonly found in grocery stores, are relatively clean and free of dirt. As a result, they do not require extensive washing. A simple brush-off with a dry towel or mushroom brush is usually sufficient to remove any loose dirt particles. Cultivated mushrooms include varieties like shiitake, maitake, royal trumpet, and oyster mushrooms.
Cleaning Wild Mushrooms
Wild mushrooms, on the other hand, are foraged from natural environments like the side of a tree, base of a tree, or even your driveway or yard. These unsterile surroundings can lead to mushrooms with leaves, twigs, pine needles, dirt, and even bugs. Wild mushrooms, such as morels and chanterelles, often have more dirt and grit in their crevices and require a more thorough cleaning process. While some sources suggest simply brushing off the dirt, others recommend a quick rinse under cold water, ensuring the mushrooms are not soaked to prevent them from becoming soggy. If the mushrooms are particularly dirty, cutting them into pieces before washing can help remove dirt from crevices. Additionally, adding salt to the washing water can help evict any tiny creatures that may be present, especially during the summer months. Wild mushrooms include varieties like Morel, Hen of the Woods, Chicken of the Woods, and Puffballs.
General Tips for Cleaning Mushrooms
Regardless of the type of mushroom, it is crucial to clean them right before use, as moisture can create an opportunity for mold. Additionally, it is recommended to examine the mushrooms after cleaning to ensure no visible dirt remains. If stubborn dirt particles persist, use a damp paper towel or cloth to gently wipe them off.
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The best time to clean mushrooms
If you are using cultivated mushrooms, which are grown in sterile compost, they are quite clean and only require a quick brushing away of any excess dirt clinging to their surface. For varieties with exposed gills, such as oyster mushrooms, portobellos, and shiitakes, brush away dirt with a paper towel, pastry brush, or mushroom brush. For varieties without exposed gills, such as button, cremini, or porcini mushrooms, a quick rinse in cold water in a colander followed by drying on a clean dish towel or paper towels is sufficient. Avoid submerging any variety of mushroom completely, as it can allow water to make its way into the crevices.
For foraged mushrooms, it is recommended to wash them to remove any dirt and/or insects. Fill a large bowl with cold water and add a few mushrooms at a time, swirling them around for about ten seconds to loosen any dirt. Then, remove them to a towel, patting them dry, and laying them out to air-dry before cooking.
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Tools to clean mushrooms
The tools you use to clean mushrooms depend on the type of mushroom and the level of cleaning required.
For cultivated mushrooms
Cultivated mushrooms are typically cleaner than wild mushrooms as they are grown in sterile environments. Therefore, they may only require a brush-down with a dry cloth, paper towel, or mushroom brush to wipe off any dirt.
For wild mushrooms
Wild mushrooms may require a more thorough cleaning as they can be gritty and harbour bugs. If you are foraging for mushrooms, make sure to do your research and only pick mushrooms that are safe to eat.
Brushing
Mushroom brushes are small and round with soft bristles, perfect for cleaning delicate mushrooms. You can also use a soft-bristled toothbrush or baby brush to clean the gills or smaller cavities.
Rinsing
If your mushrooms are particularly dirty, you may need to rinse them with cool water. You can do this by filling a large bowl with water and dunking the mushrooms in, or by placing them in a colander and spraying them with water. Make sure not to soak the mushrooms for too long, as they will absorb the water.
Soaking
In some cases, a short soak in lightly salted water may be necessary to remove stubborn dirt and insects. If soaking, change the water as needed until the dirt and debris are removed.
Drying
After rinsing or soaking, it is important to dry the mushrooms thoroughly. You can use paper towels, cotton dish towels, or a salad spinner to remove moisture from the mushrooms.
Cutting
For very dirty mushrooms, it may be necessary to cut off any sections that are holding dirt, usually the base or end of the stem. You can also cut the mushrooms into pieces before washing to ensure a more thorough cleaning.
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Frequently asked questions
Yes, it is generally recommended to clean mushrooms before cooking and eating them. However, the method of cleaning can vary depending on the type of mushroom and its source.
Cultivated mushrooms, typically found in grocery stores, are generally cleaner and only require a quick brush or wipe with a damp cloth to remove any excess dirt or compost. Wild mushrooms, on the other hand, may require washing to remove dirt and insects.
When washing mushrooms, avoid soaking or submerging them in water. Instead, quickly rinse them one or two at a time under cold running water, gently rubbing with your fingers or a soft cloth to dislodge any dirt. Then, dry them thoroughly with a clean cloth or paper towel before cooking.
It is best to clean mushrooms right before you intend to use them. Mushrooms are porous and can absorb moisture, leading to a slimy or waterlogged texture. Cleaning them just before cooking helps prevent excess moisture absorption and ensures they retain their desired texture.









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