A hearty peasant soup with mushrooms, potatoes, and crispy bacon—an autumn classic served in a bowl, featuring aromatic chanterelles, a smoky note, and a creamy finish

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A hearty peasant soup with mushrooms, potatoes, and crispy bacon—an autumn classic served by the spoonful, with aromatic chanterelles, a smoky note, and a creamy finish —is one of the most comforting and satisfying one-pot dishes in our culinary tradition. This dish skillfully combines the earthy depth of wild mushrooms, the naturally creamy texture of cooked potatoes, and the irresistible contrast of crispy, smoked bacon. The secret to this soup’s authentic restaurant-quality flavor lies not in complicated procedures, but in a professional culinary trick: combining fresh mushrooms with dried porcini (Boletus edulis) and using their flavorful soaking water, which acts as a natural umami elixir. With a dash of apple cider vinegar for freshness and a spoonful of chilled sour cream when serving, you’ll create the perfect balance of flavors that’s sure to warm you up on cold days.

• Prep time: 20 minutes
• Cooking time: 35 minutes
• Serves: 4 to 6 people
• Difficulty: Easy

Ingredients for soup with mushrooms, potatoes, and bacon

Mushroom Base

• 20 g dried porcini mushrooms (Boletus edulis)
• 460 g fresh mushrooms (preferably a mix of fresh chanterelles and brown button mushrooms— Agaricus bisporus)
• 300 ml of warm water (for soaking dried porcini mushrooms)

Vegetables, base, and spices

• 600 g potatoes (peeled and cut into small cubes)
• 1 large yellow onion (finely chopped)
• 3 to 4 cloves of fresh garlic (finely chopped)
• 2 tablespoons of high-quality olive oil
• 2 teaspoons of all-purpose flour (for a light binding)
• 1 teaspoon of high-quality smoked ground red pepper
• 1 pinch of granulated sugar (to balance the acidity)
• spices: 1/2 teaspoon dried marjoram, 1/2 teaspoon thyme, 1/2 teaspoon dried parsley or chives
• 1 whole bay leaf
• 1 teaspoon of apple cider vinegar (for freshness and to balance the starch)
• 1.5 to 2 liters of liquid (water used to soak the mushrooms + clear vegetable or beef broth)
• sea salt and freshly ground black pepper to taste

For a crispy finish and serving

• 70 g thinly sliced smoked bacon (pancetta)
• 1 to 2 tablespoons of freshly chopped parsley
• 4 to 6 tablespoons of thick sour cream (one tablespoon per plate)

Step-by-Step Preparation Process

1Rehydrating Dried Mushrooms: Pour the dried mushrooms into a small bowl and cover them with 300 ml of warm (not boiling) water. Let them soak for 20 minutes until they are completely softened. Then remove the mushrooms from the water with a slotted spoon and chop them finely. A very important step: Do not throw away the soaking water under any circumstances! Strain it through a fine-mesh strainer lined with a paper towel (to remove any bits of forest sand), and save it for adding to the soup.

2Preparing the fresh ingredients: Gently brush the fresh mushrooms (button mushrooms and chanterelles) with a brush to clean them, then slice them into thin strips. Peel the potatoes and cut them into cubes about 1.5 cm in size. Finely chop the onion and garlic separately.

3. Sautéing mushrooms and onions until golden brown: Heat 2 tablespoons of olive oil in a large, heavy-bottomed pot over medium heat. Add the sliced fresh mushrooms to the pot. Sauté them for about 5 minutes without adding salt, allowing their own liquid to evaporate and the edges to turn a nice golden brown. Then add the chopped onion and sauté for another 4 minutes until translucent and softened. Finally, add the minced garlic and the sliced rehydrated dried porcini mushrooms, and sauté briefly for 1 minute until the garlic becomes fragrant.

4.Adding flour, paprika, and liquid: Add a pinch of sugar, 2 teaspoons of flour, and smoked ground paprika to the pot. Stir quickly with a wooden spoon for exactly 30 seconds to let the flour and paprika release their aroma (be careful not to let the paprika burn!). Immediately pour in the reserved liquid from soaking the mushrooms and the remaining broth or water (about 1.8 liters of liquid in total). Stir well and scrape any caramelized bits from the bottom of the pot.

5Cooking the potatoes and herbs: Add the diced potatoes, bay leaf, marjoram, thyme, dried parsley, and half of the fresh parsley to a pot. Season lightly with salt and pepper. When the soup comes to a boil, reduce the heat to medium, partially cover the pot, and cook for about 25 to 30 minutes, until the potatoes are completely tender.

6The Secret to Natural Thickness and Acidity: Once the potatoes are cooked, remove the bay leaf from the pot. Using a ladle, scoop out about 2 full ladles of potatoes, mushrooms, and liquid; in a smaller bowl, mash them with an immersion blender until smooth, then return the mixture to the pot. This simple step will give the soup a wonderful natural thickness without adding any roux! Stir in a teaspoon of apple cider vinegar, mix well, and simmer over low heat for another 5 minutes. Season with additional salt and pepper as needed.

7Cooking the Crispy Bacon and Serving: In a separate dry skillet over medium heat, fry the slices of smoked bacon until crispy (about 2 to 3 minutes per side), until they are golden brown and crispy. Drain them on paper towels and break them into large pieces. Pour the hot mushroom soup into deep bowls, place a generous spoonful of cold sour cream in the center of each, arrange the pieces of crispy bacon on top, and sprinkle with the remaining fresh parsley.

Cooking Tips for a Delicious Mushroom Soup

• Black Gold – Water from Soaking Dried Porcini Mushrooms: Dried porcini mushrooms contain an exceptionally high concentration of natural glutamates (umami flavor). The water in which they were soaked is literally a concentrate of forest aromas. By filtering it and using it in soup instead of plain water, you’ll achieve that authentic, deep flavor familiar from mountain huts.
• The Importance of Apple Cider Vinegar: Mushroom dishes with potatoes are naturally heavy, starchy, and earthy. Just one teaspoon of apple cider vinegar added at the end of cooking serves as a culinary contrast—it “cuts through” the starchy texture, brings out the aromas of the mushrooms, and adds a pleasant, light freshness (similar to traditional Slovenian sour mushroom soup).
• Preventing Sour Cream from Curdling: Never cook sour cream directly in a pot of boiling soup, as the high acidity and heat cause the milk proteins to curdle into unappealing white clumps. Add the sour cream cold to individual plates just before serving to create a wonderful creamy contrast.
• Partial straining technique: Instead of thickening the soup with a large amount of flour, mash two ladlefuls of cooked potatoes. This allows you to take advantage of the potatoes’ natural starch for a silky texture, while still preserving the nice, whole pieces of mushrooms and vegetables in the soup.

Frequently Asked Questions (FAQ)

Can I use only fresh mushrooms instead of dried porcini mushrooms?

You can, but dried porcini mushrooms add that indispensable depth and characteristic darker hue to the soup that you simply can’t achieve with fresh mushrooms alone. If you don’t have dried porcini mushrooms, use a larger quantity of aromatic fresh wild mushrooms (such as chanterelles or fresh porcini) and be sure to pour a high-quality beef broth over the soup.

How can I adapt the soup for vegetarians?

You can easily make this dish vegetarian: omit the bacon entirely, and instead, for crunch, toast bread cubes (croutons) in a dry skillet with a little smoked paprika, or use crispy toasted pumpkin seeds. Use a rich vegetable broth as the liquid base.

How long does mushroom soup with potatoes last in the refrigerator?

In a tightly sealed container in the refrigerator, the soup (without added cream or bacon) will keep for up to 2 days. Because it contains mushrooms and potatoes, reheat it only once, and only as much as you plan to eat right away. We do not recommend freezing it, as the potatoes change texture after thawing and become grainy.