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    Home » Wild Mushroom Recipes

    Fresh Porcini Butter

    Published: Sep 8, 2014 Modified: May 27, 2023 Author: Alan Bergo

    Jump to Recipe

    A great way to preserve fresh porcini for using anytime, this mushroom butter is made with fresh mushrooms, shallots and herbs, and will make just about anything taste good.

    fresh porcini butter

    It's been a banner year for mushrooms in Minnesota. The cool temperature and rain has made the forests erupt in boletes. I’ve seen enormous Leccinums with stems larger than I have ever come across, two bitter Tylopilus species I have never witnessed, bi-color boletes galore, and it goes without saying, plenty of porcini.

    I've taken home more porcini this year than ever, and have probably been outside less than I have in any of the past 5 years. Sadly, the restaurant schedule has eaten into my hiking time more and more, and I expect that to continue. Thankfully I have good friends that invite me out on occasion to hunt with them.

    mushroom hunting in minnesota
    My friend Peter has a classic mushrooming hat-my fav pic of the day.

    Last week my friend Peter-a long time mushroom hunter, invited me and another chef and I out to hunt porcini on some private land he has access to. As Peter expected, the porcini were out in force; we got there just in time. There were chanterelles, boletes, a hen of the woods, hygrophorus russulas, chestnut boletes, slippery jacks-plenty of things to pick.

    hunting porcini in minnesota
    Our locale was a patch of untouched private land-a hunter's dream.

    Now if you hunt porcini, you know that they are a lot of fun to find, but can be discouraging since the bugs like them so much. They can always go in the dehydrator, but there is something to be said for enjoying them fresh too, which begs the question of how to navigate bug damage if you or your diners are squeemish. The flavor of porcini when fresh is really something though, and worth trying if you're a mushroom hunter, or just a lover of food in general.

    mushroom hunting in minnesota
    A good haul for the first hour or so of our hunt.

    Using fresh porcini that might be bug damaged is what this recipe is all about. A month or so ago we were playing around in the kitchen at Heartland and this fresh porcini butter was born. It’s a great way to use fresh porcini without dehydrating them. Here are some ideas for using it off of the top of my head:

    • A dollop of it would be amazing on some blanched vegetables, like broccoli or string beans.
    • You could stir it into vegetable dishes, just be careful not to use too much or things will get greasy.
    • Imagining some porcini butter tossed into some braised kale or wilted greens is making my mouth water right now.
    • Plop a spoonful on top of a steak.
    • The butter can be used to finish something like risotto or pasta.
    • Freeze the butter in Ice cube trays and then pop them out and store them in a freezer bag, you can take out small portions as needed.
    • If you cook a tablespoon or two of the butter and allow it to break and separate, it can be an oily dressing for a salad or base for a warm porcini vinaigrette.
    • Adding herbs to the butter is a great variation, I would reach for chopped thyme first, but plain parsley is good too.
    • The butter can be used to thicken a gravy or pan sauce, the high proportion of pureed mushroom to butter will help to emulsify sauces, as will the fat.
    • Spread on some toast and sprinkled with a little salt, the butter can be the base for endless appetizers and canapes. Eating it by itself on toast is just fine too.

    fresh porcini butter

    Wild porcini mushroom butter recipe
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    5 from 4 votes

    Fresh Porcini Butter

    A mushroom compound butter made with fresh porcini or other bolete mushrooms. The recipe makes about two pounds, feel free to cut it in half if you need.
    Prep Time15 minutes mins
    Cook Time15 minutes mins
    Total Time30 minutes mins
    Course: Appetizer, Snack
    Cuisine: French
    Keyword: Compound Butter, Porcini Butter
    Servings: 30 Servings
    Calories: 77kcal
    Author: Alan Bergo

    Equipment

    • 1 Food processor

    Ingredients

    • 1 lb porcini mushrooms roughly chopped
    • 1 lb cold unsalted butter diced +2 tablespoon for sautéing
    • ¼ cup roughly chopped shallots
    • Kosher salt and white pepper to taste
    • Cognac or brandy ¼ cup (dry white wine or sherry can be substituted)
    • 1 tablespoon chopped fresh thyme

    Instructions

    • Heat the 4 tablespoon of butter in a large saute pan, when the butter is melted, add the porcini season lightly with salt and pepper and cook until lightly browned.
    • Move the porcini to the side of the pan and then add the shallots. Cook on medium heat until the shallots are translucent and no longer raw. Next add the cognac and flambé. Cook until the flame dies and the pan is nearly dry, then transfer the mixture to a food processor and puree to a fine paste.
    • Allow the porcini mixture to cool to room temperature in the food processor, then begin adding the cold butter a few chunks at a time, adding more butter when the last butter you added becomes absorbed into the mixture. The mixture should become light and creamy. When the entire pound of butter has been absorbed, the finished product should be very shiny and thick. Taste the butter for salt and pepper and adjust as needed.
    • Add the herbs if using and then transfer to another container and refrigerate until needed. Or freeze in logs, wrapped in plastic wrap, ice cube trays, in a plastic freezer bag, etc.

    Notes

    It goes without saying you could make this with other boletes, but porcini have more flavor fresh than most I've tried, so they're my first choice.

    Nutrition

    Serving: 2Tablespoons | Calories: 77kcal | Carbohydrates: 6g | Protein: 1g | Fat: 6g | Saturated Fat: 4g | Polyunsaturated Fat: 0.2g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 16mg | Sodium: 50mg | Potassium: 118mg | Fiber: 1g | Sugar: 0.2g | Vitamin A: 189IU | Vitamin C: 0.3mg | Calcium: 3mg | Iron: 0.1mg

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    Reader Interactions

    Comments

    1. Royce Kirk

      May 23, 2023 at 4:24 pm

      5 stars
      Hi can i substitute with raw porcini powder? Like 1 tablespoon of that instead?

      Reply
      • Alan Bergo

        May 25, 2023 at 2:04 pm

        Hey Royce sorry I was pokey here. For 1 lb of butter I would use about 1/4 cup. It also needs to be hydrated and cooked into a paste, which you can do by sweating the powder in butter before deglazing.

        Reply
    2. Jen Lenox

      September 21, 2022 at 3:42 pm

      5 stars
      Oh my goodness… the smell in our kitchen just after the flambé step is out of this world. Also, I didn’t burn the house down, so that’s a plus, (First flambé). I give this 5 stars already, as I tasted it before adding the butter. Letting it cool down now in the processor. This is amazing. I know the final result is going to be fantastic. We’re grilling steak tonight and I cannot wait to plop this on top. After a very dry summer, the porcini are popping here in Vermont. Thanks so much for this great recipe, and for all you do!

      Reply
      • Alan Bergo

        September 24, 2022 at 6:36 am

        Thanks Jen, I love this one.

        Reply
    3. Joseph Miller

      October 28, 2018 at 9:23 pm

      I have tried a few of your recipes and they are amazing. My favorite so far is indigo milkies preserved in herb oil. A big hit for my vegan parents. Two questions on this recipe though. Is it 3lbs porcini (or other boletes) to 1lb butter? And secondly, if you were to use dehydrated boletes how much would you need? Thank you again for your expertise and awesomeness.

      Reply
    4. Joanna

      September 09, 2014 at 10:32 am

      Allen,
      I have been following your blog for a while and I have to say... you are amazing! Amazing on my fronts. I am just getting into foraging so I am so glad to see your spectacular recipes for wild things. You are very acknowledge forager! Also, your blog design is aesthetically pleasing :-).

      One day if I find some procini I will definitely make your butter. I cannot think of anything better than mushroom and melted butter flavor! Thank you!!!!

      Reply
      • Alan Bergo

        September 12, 2014 at 2:17 pm

        Thanks Joanna, I appreciate it.

        Reply
    5. Nicole Novak

      September 08, 2014 at 2:25 pm

      Hi Alan,
      You just gave me a great idea. Our drought in CA has severely impacted our supply of frozen sautéed porcini but I have many gallons of dried boletes and Leccinum. I'm going to try this recipe with some dried butter boletes. Their brilliant yellow hues might just work perfectly with your recipe. Thanks!!
      Nicole

      Reply
      • Alan Bergo

        September 08, 2014 at 5:39 pm

        Hey Nicole, glad you liked the butter idea, using some dried boletes would be great with this method, cooking down their juice and then spinning into the butter will give an awesome result. I only used fresh porcini as an example. 🙂 Happy hunting.

        Reply
    5 from 4 votes (2 ratings without comment)

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    Chef Alan Bergo

    HI, I'm Alan: James Beard Award-winning Chef, Author, Show Host and Forager. I've been writing about cooking wild food here for over a decade. Let me show you why foraging is the most delicious thing you'll ever do.

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