Clear Polish Barszcz Czerwony with Dried-Mushroom Uszka
A traditional Polish Wigilia-style barszcz: clear, strained, ruby-red beet broth balanced with dried-porcini liquor, apple and vinegar, served with tiny ear-shaped uszka filled with mushrooms. The finished bowl contains only transparent broth and uszka: no grated beet, diced vegetables, bay leaves, whole spices, herbs or sour cream.

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Illustrated cooking guide
Step-by-step visual method
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Written method
Instructions
Read through once, then cook at your own pace with the illustrated guide above.
- 1
Cover the dried porcini with 300 ml hot water and soak for 30 minutes. Lift out the mushrooms, chop them for the uszka filling, and strain the soaking liquid through a coffee filter so no grit remains.
- 2
Put the sliced beets, vegetable broth, filtered mushroom liquor, apple, charred onion, garlic, bay leaves and allspice in a pot. Heat only to a bare simmer; do not boil hard, which dulls the broth's clear ruby colour.
- 3
Simmer gently for 35 to 45 minutes, then remove from the heat and infuse for 20 minutes. Strain through a fine sieve lined with cheesecloth. Discard every solid, including the bay leaves and allspice: the served barszcz must be a clear broth with no beet pieces, shredded vegetables, herbs or whole spices.
- 4
Return the clear broth to low heat. Rub in the marjoram, then balance with vinegar, sugar, salt and pepper. Keep hot without boiling.
- 5
For the uszka filling, sauté the small chopped onion in butter until golden. Add the chopped soaked porcini and cook until dry; stir in the breadcrumbs, season, and cool completely.
- 6
Mix the flour, warm water, neutral oil and a pinch of salt into a smooth dough. Knead for 7 minutes, cover, and rest for 20 minutes.
- 7
Roll the dough very thin and cut into 4 cm squares. Add a small dab of mushroom filling, fold each square into a triangle, seal, then join the two corners to form a tiny ear-shaped uszko.
- 8
Boil the uszka separately in salted water until they float, then cook for 1 minute more and drain.
- 9
Place several uszka in each warm bowl and ladle over the clear, transparent ruby-red barszcz. The visible contents of the finished bowl must be only broth and uszka; serve without bay leaves, peppercorns, allspice, herbs, sour cream or vegetable garnish.
Cook notes
Tips
Slice rather than grate the beets, simmer gently, and strain through cheesecloth for a limpid ruby broth.
Season with vinegar only after straining; acidity preserves the colour and gives barszcz its characteristic sweet-sour balance.
Cook smarter
Helpful notes
Practical storage, serving, swap, and troubleshooting notes for a better first try.
Storage Tips
- Store the beet soup and uszka dumplings separately to keep them fresh longer.
- Reheat the soup gently on the stove. Do not boil after it's been cooked.
Substitutions
- Use dried mixed European forest mushrooms if porcini are unavailable; fresh mushrooms do not provide the same concentrated filling.
- Use lemon juice in place of apple cider vinegar, adding it gradually after straining.
What to Serve With
- Uszka with dried-mushroom filling
- Paszteciki with sauerkraut and mushrooms
- Other Polish Wigilia dishes
Common Mistakes
- Grating the beets or leaving vegetable pieces in the bowl instead of serving a fully strained clear broth.
- Boiling the strained barszcz, which muddies the flavour and fades its ruby colour.
- Cooking uszka in the serving broth instead of boiling them separately.
Recipe FAQ
What kind of mushrooms should I use for the uszka?
Use dried Polish forest mushrooms, ideally porcini. Their soaking liquor also deepens the clear broth after it is carefully filtered.
Can I make the soup vegetarian?
Yes, this recipe is already vegetarian as it uses vegetable-based ingredients.
How do I store leftovers?
Store leftover soup and dumplings separately in airtight containers in the refrigerator for up to 3 days.
Kitchen tools
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Rice cooker
Good for steady rice, grains, and meal-prep bowls.
Blender
Helpful for smooth sauces, soups, marinades, and purees.
Saucepan
Useful for simmering sauces, soups, grains, and small-batch stews.
Chef knife
A basic prep tool for vegetables, herbs, aromatics, and proteins.
Cutting board
Keeps prep organized for chopping, slicing, and staging ingredients.
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