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Mushroom Soup Made with Dried Porcini Mushrooms
Instructions
Preparing the dish always starts with preparing the mushrooms themselves, especially if they are dried. Check and remove pine needles and leaves, since our mushrooms grew in the forest. Besides white mushrooms, other forest mushrooms work excellently for this soup — the result will be just as tasty.
Soak the mushrooms in warm clean water and set them aside to swell. The soaking water becomes deeply aromatic and forms the foundation of the soup’s flavor — this liquid is liquid gold and you should never throw it away.
Peel the potatoes and cut them into medium cubes. Pour water into a three-liter pot, put it on the stove, add the potatoes, and lightly salt. While the potatoes are boiling and the mushrooms are infusing, we will prepare the dressing.
We will need onion and carrot for the dressing. These two aromatics form the base of nearly every Russian soup, and their combined flavor lifts the mushrooms without competing with them.
If the onion is medium-sized, cut it into half rings. If large, cut into quarter rings. Put the onion in a frying pan with vegetable oil. The onion should turn golden but not dry — aim for soft and translucent with a hint of brown.
While the onion is frying, grate the carrot on a coarse grater. Add the carrot to the frying pan and fry it together with the onion. The carrot brings sweetness and a touch of color to the dressing, balancing the earthiness of the mushrooms.
By now the mushrooms have become soft. Carefully take them out of the water with a slotted spoon and chop them, but not too finely — the mushrooms should be visible in the bowl. Add them to the frying pan to stew. Do not pour out the soaking water; it is fragrant and we will use it later. Strain the mushroom water through cheesecloth, but do not pour it all out at once. Sand will settle at the bottom of the bowl, so leave the last two or three tablespoons unstrained. In the frying pan with mushrooms and vegetables, add one or two ladles of mushroom water and stew for another five minutes.
Prepare cream of any fat content. If there is none on hand, take one or two tablespoons of sour cream and dilute it with water. Do this in a separate bowl to avoid lumps when the dairy hits the hot pan later.
Add the sour cream mixture to the frying pan with the vegetables, and stew for another three minutes. The dairy enriches the dressing and gives the finished soup its signature creamy character without overpowering the mushrooms.
Add spices and salt to the mushroom dressing, making it taste good on its own. By now the potatoes in the pot are nearly cooked. Transfer everything from the frying pan to the pot, add the remaining mushroom water that we strained. Add the bay leaf five minutes before the dish is ready.
The soup with dried mushrooms goes perfectly with fresh dill. Finely chop the dill so it scatters easily through the bowl when served.
Put the bay leaf into the pot with the soup, after five minutes remove the pot from the heat and add the dill. Let the soup steep for about fifteen minutes — this rest allows the flavors to round out and bloom.
The mushroom soup made with dried mushrooms is ready — you can call everyone to the table. Serve hot in deep bowls with extra dill and a dollop of sour cream on top. A slice of dark rye bread alongside completes the meal beautifully.
Tips
- 1
Always strain the mushroom soaking water through cheesecloth or a coffee filter. Dried mushrooms carry sand, pine needles, and forest debris that settles to the bottom of the bowl during soaking. Skip the strain and your soup ends up gritty. The fragrant liquid is the soul of this dish — treat it with the respect it deserves and you get crystal-clear, beautifully flavored broth.
- 2
Soak dried mushrooms properly to wake up their flavor. The orig recipe links out to a complete guide on how to soak dried forest mushrooms, which covers warm-water and cold-water methods. The basic rule: warm water for thirty minutes works for most porcini, but a slow cold-water soak overnight gives the cleanest flavor with no rubbery texture.
- 3
Use a thick-bottomed pot to avoid scorching the dairy. Cream and sour cream curdle easily on thin-bottomed cookware where heat is uneven. A cast-iron Dutch oven or heavy stainless pot distributes heat gently and protects the delicate dairy elements. Adding the dairy off the heat at the end is another reliable trick to keep the soup smooth.
- 4
Save dried mushroom dust at the bottom of the package. The fine powder is intensely flavored and dissolves into broths, sauces, and gravies. Sprinkle it over the soup at the end for an extra hit of mushroom flavor, or save it in a jar for future cooking. Pair this technique with making your own homemade bread for the perfect winter dinner.
FAQ
Can I substitute fresh mushrooms for dried in this recipe? +
Yes, but you lose the deep concentrated flavor that makes this soup special. Use about 400 grams of fresh porcini or chanterelles in place of the 50 grams dried, and skip the soaking step entirely. Sauté the fresh mushrooms first to drive off their moisture and concentrate flavor. The soup will still be delicious but will lack the rich, umami-heavy character that only dried mushrooms can deliver.
What kind of dried mushrooms work best? +
Porcini (white mushrooms) are the gold standard for Eastern European mushroom soups thanks to their rich, almost meaty flavor. Chanterelles offer a more delicate, peppery taste. Mixed forest mushrooms (boletus, milk mushrooms, oysters) provide complexity and are usually more affordable. Avoid dried shiitakes here — they are wonderful but bring an Asian flavor profile that does not match this Russian-style soup.
How long do dried mushrooms keep in storage? +
Properly stored in a tightly sealed glass jar in a cool, dark place, dried mushrooms keep their flavor for up to a year. After that, they begin to lose aroma and turn slightly stale. Inspect for moisture or mold before using; any sign of either means the batch should be discarded. Vacuum-sealed packaging extends shelf life significantly, often to two years or more without quality loss.
Can I make this soup without cream or sour cream? +
Absolutely. Skip the dairy entirely for a clear mushroom broth-style soup, or substitute coconut cream for a vegan version. The flavor will be slightly less rich but still excellent. For a heartier dairy-free finish, blend half a cup of the cooked vegetables and stir back into the pot — this thickens the soup naturally and gives a creamy mouthfeel without any dairy at all.
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