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    Home » Types of Edible Wild Mushrooms

    Shrimp of the Woods: Aborted Entoloma Mushrooms

    Published: Dec 21, 2012 Modified: Jan 20, 2023 by Alan Bergo This post may contain affiliate links 17 Comments

    Shrimp of the woods look like strange white popcorn balls that crawl out of the earth. They're a great mushroom to know, and easy to identify.

    During their season in the middle to late fall, they'll seem to be everywhere in my region, looking almost like they're oozing out of tree roots and dead wood.

    Shrimp of the woods, aborted entoloma or Entoloma abortivum mushrooms
    The shrimp of the woods! Also known as aborted entolomas-a terrible name for an easily identifiable, edible wild mushroom.

    There is a bit of confusion as to what causes these mushrooms to form, but the latest theory I've heard is that aborted entolomas are produced through a reaction of an entoloma species with honey mushrooms when growing in the same vicinity.

    Oven fried shrimp of the woods mushroom recipe
    Oven fried shrimp of the woods seasoned with Old Bay and served with lemon wedges could be served by the bucket.

    Aborted forms=Carpophoroids

    Something occurs between the honeys and entolomas, and it causes mushrooms to "abort" themselves and change their shape from a typical looking mushroom with a stem, cap and gills, to the funky popcorn ball shown in the pictures here that are firm to the touch when fresh, and lacking gills of any kind, with the true name of the aborted form being a carpophoroid.

    aborted entolomas, shrimp of the woods,
    Variations. The aborted corpophoroid form on the left is a large stem with a visibly formed cap, the fully formed aborted form on the right is more typical. Both are edible.

    From what I've seen, the strange relation seems compounded when the two mushroom species are near one another. I do see them growing separately though too, for whatever it's worth. Sometimes they can be confusing, and you might see mushrooms that aren't fully aborted, like below.

    giant aborted entolomas
    Sometimes I find extremely large shrimp, I have understand what's happening to make them so large, but they're great to eat.

    Aborted Armillaria, or entoloma? 

    I've wondered for years what species I'm actually eating when I cook aborted entolomas, thankfully there's Tom Volk's page, a well-known professional mycologist.

    Tom says that originally aborted entolomas were thought to be entolomas forced by the honey mushrooms to form the corpophoroids, but now, through new research that he and his students have done, they've deduced that the mushrooms we're eating are actually aborted honey mushrooms, so the name aborted entoloma is technically incorrect.

    This is just another reason why I think we should adopt "shrimp of the woods", as a common name, in my opinion. Read the full article here at: Tom Volk's Page 

    aborted entoloma mushrooms
    What a relatively clean basket of skrimps looks like to me. Brush them after you cut them, or pare them with a knife in the field. They can be dirty.

    Clean as you harvest

    Entolomas are notoriously dirty, which is no surprise since they often grow directly on the ground—if you grew that way, you'd be dirty too. So, if you don't want a gritty meal, pick clean. Here's what I do: pick up the mushroom, and cut away any dirt from the base of every mushroom as you pick—every. single. one.

    A little extra work in the field will save you time, and unpleasantness in the kitchen. Entolomas are full of nooks and crannies, and just one dirty one can muck up your whole collection. Don't be afraid to cut any large or particularly crenulated ones in half in the field to clean them, if you think it will help. 

    aborted entoloma mushroom pasta recipe
    Shrimp of the woods love tomato anything.

    General Cooking and Cleaning

    Collecting entolomas is easy. Cleaning and cooking is the hard part, well, more so just the cleaning. When you're picking them, make sure that you trim off the root/base that attaches them to the ground, which is usually covered in dirt.

    The mushrooms often have a divet in the top,  and if dirty mushrooms are put on top of them in a basket or bag, they will be much harder to clean, and they'll make all your other mushrooms dirty too.

    Browning: the key to good flavor 

    I'll be honest with you, if you don't prepare these right they can be pretty uninteresting. The key to flavor with entolomas is to caramelize and brown them, that's when they shine. If they just get stewed from raw, things are going to be bland and styrofoamy, just like with a puffball.

    Like the lobster mushroom, the characteristics of aborted entolomas can give plenty of inspiration. The first few times I ate them, I noticed that they have a texture that's a bit similar to shrimp, just with a mild mushroom flavor.

    Thinking of shrimp leads me toward preparations that might be good with shellfish or crustaceans-use your imagination. Suffice to say that these love white wine, pasta with oil and tomato based sauces, a bit of hot pepper, you get the idea.

    One trick I use is just searching for a recipe for shrimp that looks good-then I plug in entolomas.  You can't lose here, well, unless you don't brown them first!

    aborted entoloma mushroom pasta recipe
    Proper browning of the entolomas is the key to unlocking their flavor.

    Preservation

    As far as preserving your shrimp of the woods, there are a couple tricks I've found. Just like puffball mushrooms, these have white, spongy flesh.

    This means that the need to have some color put on them in order for them to taste like anything at all. It follows from there that pickling is not really a great option, unless they are browned first, and then pickled, which is kind of wierd to me.

    A compromise would be browning them and then marinating them in something acidic, like some wine or lemon juice, preferably with some tasty olive oil, etc thrown in the mix. You could also wilt them withought browning and freeze, and then brown them later after thawing.

    Like most wild mushrooms, I don't recommend freezing them raw, since it does something strange to their texture.

    They can be sliced and dried, and that works, ok, just make sure to put some color on them after you re-hydrate them. Making a duxelles and freezing is a great option, too, and would serve double duty by saving space in your freezer.

    mushrooms with gills next to round white aborted forms
    Non-aborted and aborted forms.

    Can you eat the non-aborted form?

    Absolutely, but. I really enjoy the non-aborted form, but, as a precaution, I'd suggest only harvesting them when you find them clearly growing with the aborted forms.

    The Entolomaceae are numerous, and there's some others that can look similar, notably poisonous white Clitocybe like C. dealbata that you absolutely do not want to eat. But, as long as you find them in the vicinity, or are 110% sure of your identification, go ahead. 

    Non-aborted forms of Entoloma abortivum have a much stronger flavor than the aborted forms, and the lack the sweetness the popcorn shapes have as well.

    They're a very savory mushroom, so something like the Fra Diavolo, with it's tomatoes and hot chili would be a good place to start with them. But, the simplest way to enjoy them is to just saute them up together with some garlic and parsley, and that's good too, especially with fish. 

    Recipes

    Here's some recipes I've made for these, or where they would be a good substitute.

    • Aborted Entolomas "Fra Diavolo"
    • Blackened Shrimp of the Woods
    • Mixed Wild Mushrooms With Garlic and Parsley
    • Shellfish, Aborted Entoloma and Heirloom Tomato Ragu
    • Aborted Entoloma and Lobster Mushroom Manhattan Style Chowder
    • Wild Mushroom Duxelles

    More 

    35 Essential Wild Mushrooms Every Forager Should Know 

    Aborted Entoloma mushrooms.
    Aborted and non aborted entolomas.
    « King Bolete Mushrooms (Porcini)
    Yellowfoot Chanterelles »

    Reader Interactions

    Comments

    1. brand

      December 28, 2012 at 10:44 am

      Great Stuff, do you have a twitter account?

      Reply
      • Alan Bergo

        January 02, 2013 at 6:23 pm

        no I dont currently, that will take some time i think.

        Reply
    2. Mazie Jecmenek

      March 13, 2013 at 11:17 pm

      Very good information. Lucky me I ran across your website by accident (stumbleupon). I've book-marked it for later!

      Reply
      • Alan Bergo

        March 14, 2013 at 5:15 am

        Glad you enjoyed the info on Entolomas. Come August, I will be cooking with them exclusively.

        Reply
    3. Patricia A

      October 16, 2013 at 8:37 am

      Glad to run across your article as I have encountered these gorgeous mushrooms in droves the past while. It appears though that you may be using the wrong common name…. I have been advised that it is Hunter’s Heart, Ground Prunes, or – the one I particularly enjoy – Totlcoxcatl 🙂 The Sweetbread mushroom is Clitopilus prunulus….

      Reply
      • Alan Bergo

        October 16, 2013 at 9:56 am

        Arg, that common name was passed to me from my friend who was a chef at Charlie Trotter's in Chicago. The first time I brought them in he exclaimed: "Sweetbread mushrooms!" So many common names, so little time. Thanks for the info, I have made relevant changes.

        Reply
    4. Patricia A

      October 18, 2013 at 6:39 pm

      .... glad to have helped..... I am being taught to rely on the Latin names - though even there - so many changes occur that it is difficult to keep up 🙂 That said - frankly - they do look like sweetbreads, so - ------- will be eating them tomorrow 🙂 Thank you for your continued artistry - it makes this little hobby even more delicious!

      Reply
    5. eub

      July 29, 2018 at 11:46 pm

      Your remark that some Entoloma species are dangerous made me wonder if the Armillaria could abort one of those.

      The answer is no. It turns out /E. abortivum/ is the actor here, so no other Entoloma will be found in this form. Tom Volk suggests calling these "aborted Armillaria". (Beating up on Armillaria is pretty impressive.)

      I see some people say they taste more like Armillaria than like the E. abortivum agaric. Does this depend which you think is the substrate? 🙂 Does it vary?

      (What I would still like to learn about the mycology is how this contributes to the growth and reproduction of the /E. ab/. Is there a flow of nutrients from the aborted fruitbodies into the E.ab mycelium and its agarics?)

      Reply
    6. darius

      September 28, 2019 at 8:16 pm

      How do you deal with not aborted etoloma? it has a very specific unpleasant smell and taste. is there a way to get rid of it?

      Reply
      • Alan Bergo

        October 07, 2019 at 9:32 am

        I don't cook many of them as regular aborted entoloma are so prolific.

        Reply
    7. Lisa

      October 09, 2020 at 5:36 pm

      Hi curious on the cleaning...I tend to only cook the whitish portions. I end up cutting out a lot of the center if its turned pinkish brown. or toss them if the inside looks like it has a thin light brown edge. The insides can vary widely from white to pink to a more rusty light brown. It seems like I am wasting quite a bit. I am assuming as they turn brown they are going into sporing? & not edible? Also if they are prepared within a couple days of picking and if any part turns slimy I toss them. (should I just cut away the slimy and keep the firm parts? (especially on a large one?)
      Do you know if there are any poisonous Entoloma's that could possibly grow right next to the Entoloma Abortivum's? I would think its safe to say when we find the aborted ones next to them, they are certainly Entalom's - are we correct in this? Thank you so much!

      Reply
      • Alan Bergo

        October 10, 2020 at 7:26 am

        Hi Lisa. The entolomas you harvest should be firm, never soft or squishy. If they're nice and firm to the touch, the whole mushroom should be used. If you're referring to the non-aborted form, yes, they're edible too, and I've been meaning to update this post with some images of them. Thanks for the reminder. The non-aborted entolomas are easy to learn, just don't pick them if you don't see aborted entolomas near them, unless you're very skilled at identifying mushrooms.

        Reply

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    Chef Alan Bergo

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