Everything You Learned About Cooking Mushrooms Is Wrong (2024)

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Janet A. Zimmerman

Janet A. Zimmerman

An award-winning food writer, cooking instructor, and author of five cookbooks. She focuses on dinners for two and date night cuisine.

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Updated on 02/3/23

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Conventional wisdom about mushrooms dictates that you keep them dry—brush them off instead of soaking or rinsing—and then cook them quickly in a hot pan without crowding. The reasoning is that mushrooms act like tiny sponges and soak up water if you get them wet. Since mushrooms contain so much water, if you crowd them in the sauté pan, or don't cook them quickly, they'll steam instead of browning. As often happens with so-called kitchen wisdom, though, this mushroom myth is wrong.

Many food scientists and writers have realized some time ago that the first element of that belief is incorrect. The fact is that, like most vegetables, mushrooms have a high water content ​to begin with. Soaking them in water may add a tiny amount of water to their weight, but compared with their beginning water content, any added amount is inconsequential. The second belief has been more tenacious. Even though the resident geniuses at New York's International Culinary Center and the blog Cooking Issues debunked the myth a couple of years ago, you still find well-respected (but mistaken) authors and chefs perpetuating the mistake.

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As ICC's Dave Arnold and Nils Noren explain, a bunch of wet, crowded mushrooms in a pan will start out as (in their words) "a soupy mess." If you cook them long enough, though, the water evaporates, at which point they'll brown beautifully without absorbing the oil you're using. Dry mushrooms, on the other hand, are very porous. When you heat up a pan with oil or butter and add dry mushrooms, they soak up the fat and never let go of it. You end up with browned but greasy mushrooms.

As an added bonus, the "wet, crowded" method also turns out mushrooms with a much more concentrated flavor, especially noticeable with commonly cultivated mushrooms.

  • 01 of 05

    Begin by Cleaning the Mushrooms

    Everything You Learned About Cooking Mushrooms Is Wrong (2)

    Since it's clear that there's nothing wrong with soaking mushrooms, that's the way many clean them, being a fast and thorough process. If you've got a colander that fits into a bowl, you can place the mushrooms in the colander, put it into a bowl in the sink, and fill with water. Let them soak for a few minutes, swishing them around with your hands if necessary to get them clean. Then just lift the colander out and drain them.

    You can also soak them directly in the bowl, then pour into a colander—although if the water is very dirty, you'll be pouring the dirty water over your ​clean mushrooms, and you will probably want to rinse them again.

    When they're clean, trim and cut the mushrooms. Keep in mind that with this cooking method, the mushrooms will lose volume and end up quite a bit smaller than they start out.

  • 02 of 05

    Add Water, Fat, and Salt

    Everything You Learned About Cooking Mushrooms Is Wrong (3)

    If you shop at a market where mushrooms are only available in 8- or 16-ounce packages, you probably know how difficult it can be to use them up before they start to get slimy. When you're cooking for two, this can lead to lots of waste.

    Another great thing about this cooking method is that since you want a crowded pan, it's actually better to cook a big amount at once. As soon as they're cooked, you'll see how easy it is to use them up.

    Choose a sauté pan that will fit all the mushrooms 2 or 3 inches deep. Remember, you want them crowded for this method. Add enough water to barely cover the mushrooms. For 8 ounces of mushrooms, add about 1 tablespoon of butter or oil and 1 teaspoon of kosher salt. Put the pan on a burner turned to high and bring the water to a boil.

  • 03 of 05

    Keep the Mushrooms at a Boil

    Everything You Learned About Cooking Mushrooms Is Wrong (4)

    When the mushrooms come to a full "rolling" boil, you can turn down the heat, but keep the burner adjusted so the water continues to boil, not just simmer. You'll notice that the amount of water in the pan is now greater than what you added to start. That's because as themushrooms cook, they're losing much of the water from their cells.

    At this point, you can ignore the pan and go on with dinner prep; you're just waiting for all the liquid to evaporate. As long as you're in the kitchen, your ears will tell you when you need to pay attention to them again.

  • 04 of 05

    Listen for the Sizzle

    Everything You Learned About Cooking Mushrooms Is Wrong (5)

    When all the water is gone, the mushrooms will begin to sizzle. At this point, it's easy to brown them in the oil or butter that remains. Since the mushrooms are already completely cooked, this stage doesn't take long.

    The beauty of this method is that the cooking process has caused the cells in the mushrooms to collapse and lose air and much of their water, so they don't absorb any of the fat in the pan as they brown. It also concentrates the flavor and improves the texture as well.

    This is the point where you can season the mushrooms if you wish. You can deglaze the pan with a little wine or dry sherry.

    Continue to 5 of 5 below.

  • 05 of 05

    Ready to Use

    Everything You Learned About Cooking Mushrooms Is Wrong (6)

    Once cooked, the mushrooms are ready to use in recipes. If you're not using all of them right away, let them cool and refrigerate for up to 5 days. Try them:

    • In omelets or scrambled eggs.
    • With spinach in a quiche.
    • Tossed with sauteed green beans or snap peas.
    • On pizza or in pasta sauce.
    • In risotto or rice pilaf (where they pair well with peas).
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Everything You Learned About Cooking Mushrooms Is Wrong (2024)

FAQs

Is there a wrong way to cook mushrooms? ›

"As you know now, mushrooms have a ton of water in them. When you cook them in a pan, the water will seep out. If you keep the heat low, the mushrooms will just simmer in their liquid. Medium high or high heat will get rid of all that liquid, and will give the mushrooms a nice brown color.

Can you cook mushrooms wrong? ›

Sautéing on High or Low Heat

Don't go too low or high on heat, which can make mushrooms over or under-cooked. Think right in the middle. "Medium-high heat is the way to go with mushrooms. You want their liquids to slowly evaporate while they caramelize," says Norton.

What happens if you don't cook mushrooms properly? ›

Raw mushroom can absolutely cause food poisoning. Raw mushrooms may contain potential parasites, bacteria, and viruses, and subjecting them to heat processing significantly reduces this substantial risk.

What is the advice given about cooking mushrooms? ›

Cook them twice

If you want to make delicious meals with mushrooms, pre-cooking them is a must. When you do so, you give them a chance to release their water content, which is what makes them perfect for putting on pizza or tossing in a salad without making everything soggy.

How to cook mushrooms correctly? ›

Heat a large regular or cast iron skillet over medium-high heat. Add the mushrooms in a single layer and cook undisturbed for 2 minutes. Flip the mushrooms and cook for 1 to 2 minutes more. The mushrooms should be turning golden-brown and releasing some of the liquid.

Is the healthiest way to cook mushrooms? ›

New research says the healthiest way to cook mushrooms is to microwave them. We explain how to preserve their goodness while making them taste great.

Is it safe to cook mushrooms? ›

Mushrooms. Mushrooms, even common button mushrooms, contain traces of carcinogenic compounds in raw form. The same toxin, hydrazine, is also found in portobello mushrooms, and shiitake mushrooms contain a naturally occurring formaldehyde. Both chemicals are heat-sensitive and abolished upon exposure to heat.

Does cooking mushrooms destroy nutrients? ›

They found that frying mushrooms led to the most severe protein and antioxidant loss but increased the fungi's fat content. Boiling mushrooms also led to decreased nutritional values.

Why do chefs not wash mushrooms? ›

Similarly, Harold McGee, food historian and author of “On Food and Cooking” (my golden standard food science handbook), said, “Cookbooks often advise against washing mushrooms so as not to make them soggy or dilute their flavor. However, they're already mostly water, and lose little if any flavor from a brief rinse.

How to cook mushrooms if you don't like them? ›

So you think you don't like … mushrooms
  1. Fry them fast. ...
  2. An obvious suggestion but blitz them into a soup to get the mushroomy taste without the texture. ...
  3. Make mushroom 'caviar' which is basically a creamy mushroom dip with sour cream or crème fraîche. ...
  4. Mushroom duxelles is another paté-like recipe which might convert you.
Apr 20, 2022

Should you wash mushrooms? ›

Bottom Line. Regardless of the different schools of thought on how to get that pesky dirt off mushrooms, there is no doubt that it is important to clean mushrooms before cooking, one way or another. Vegetables (and fruits) can sometimes carry germs that can lead to foodborne illness, so it is important to be mindful.

What mushrooms are safe to eat? ›

Hen-of-the-woods, oyster, and sulphur shelf mushrooms are safe, delicious, and nutritious wild varieties prized by mushroom hunters. While these and many other mushrooms are safe to consume, eating varieties like the death cap, false morels, and Conocybe filaris can cause serious adverse health effects and even death.

How to cook mushrooms like a pro? ›

How to Sauté Mushrooms Like a Pro
  1. Heat enough oil to coat the bottom of your Smart Cooker. ...
  2. Add the mushrooms, sliced, quartered, or whole, in a single layer. ...
  3. Do not stir the mushrooms. ...
  4. Cook off any excess liquid. ...
  5. Season your sautéed mushrooms with a pinch of salt, as it brings out the meaty, umami flavor.

Can I cook mushrooms that have gone slimy? ›

While this is not recommended, if you decide that you must have your slimy mushrooms, you could wash the slime off and cook them. Do a taste test to see if the mushrooms offer their naturally-tasting umami flavors. If they taste bitter or off-putting, discard the rest.

How to cook mushrooms so they are not rubbery? ›

Work with, rather than against their spongy quality by adding fat in small doses throughout the cooking process. Whether it's oil, butter, shmaltz, or lard, keep dolloping in spoonfuls as the mushrooms cook. Add it all at once, and they'll fry (not, in the end, such a bad thing either).

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