Kvashena Kapusta: Sauerkraut the Ukrainian Way
The UAFest kitchen team
August 2026 · 7 min read
The market at Riverside Park
Kvashena kapusta is shredded cabbage salted and left to ferment in its own juice. No vinegar, no starter, no canning — salt, pressure and about a week of patience.
In a Ukrainian household it is winter food and winter medicine: it goes into lean borscht, into varenyky, into holubtsi, and onto the plate beside anything fried.
How the fermentation works
Salt draws water out of the shredded cabbage. The cabbage sits under that brine, out of contact with air, and the lactic bacteria already living on the leaves do the rest. They turn the sugars into lactic acid, which preserves the cabbage and gives it the sour edge.
Two rules cover most failures. Everything must stay under the brine, and the salt must be non-iodised. Cabbage that pokes above the liquid grows mould; iodine slows the bacteria you are relying on.
What to expect, day by day
Day one to two: the brine rises, and small bubbles start at the edges. Day three to five: active fizzing, and a smell that is sharp and clean. Pierce the cabbage to the bottom with a wooden skewer twice a day to release the gas, or the batch turns bitter.
Day five to ten, depending on the room: the bubbling slows and the taste turns properly sour. Move it to the fridge or a cold cellar at that point, and it keeps for months.
- Cloudy brine is normal. Slime and a smell of rot are not — start over.
- White film on top is kahm yeast: skim it. Fuzzy colour is mould: discard the batch.
- A cool room ferments slowly and tastes better; above 24 °C it goes soft.
Where it ends up
Lean borscht for Christmas Eve, varenyky filled with kraut and mushrooms, holubtsi wrapped in whole soured leaves, or plain in a bowl with sunflower oil, onion and a boiled potato — which is dinner in half the villages in Ukraine.
Recipe
Kvashena Kapusta (Ukrainian Sauerkraut)
Cabbage fermented in its own brine with salt and carrot. No vinegar.
- Prep
- 40 minutes
- Cook
- 7 days fermenting
- Total
- 7 days
- Makes
- About 3 litres
Ingredients
Ferment
- 3 kg white cabbage, cored and shredded thin
- 60 g non-iodised salt (2% of the cabbage weight)
- 2 large carrots, coarsely grated
- 1 tbsp black peppercorns (optional)
- 2 bay leaves (optional)
- 1 tbsp caraway or dill seed (optional)
Method
- 1Shred and saltShred the cabbage thin into a very large bowl. Add the salt and massage it in hard for 10 minutes, until the cabbage darkens, softens and a pool of brine gathers at the bottom.
- 2Add the carrot and spiceFold in the grated carrot and whichever spices you use. The carrot adds sweetness and colour, and Ukrainian kraut is usually paler and sweeter than the German kind because of it.
- 3PackPress the cabbage into a clean jar or crock in layers, pushing hard with a fist after each handful so no air stays trapped. Pour in every drop of brine from the bowl.
- 4Weigh it downWeight the cabbage under the brine with a clean stone, a water-filled bag or a smaller jar. Everything must stay submerged. Cover loosely with cloth so gas escapes.
- 5Ferment and burpLeave at room temperature, 18 to 22 °C, on a tray. Twice a day pierce to the bottom with a wooden skewer to release the gas. Skim any white film.
- 6Taste and chillFrom day five, taste daily. When it is as sour as you want, seal and move it to the fridge or cellar. It keeps several months and improves for the first few weeks.
Notes from the kitchen
- Weigh the cabbage and use 2% of that weight in salt — the ratio matters more than the volume of the jar.
- If the brine does not cover the cabbage after an hour, top up with water mixed at 20 g salt per litre.
- Save the brine when the jar empties: it is drunk as a cure for a hangover and used to sour borscht.
Preserves, honey and home baking are sold by Ukrainian makers at the festival market.
Sunday, September 13, 2026 · 12 PM – 6 PM · Riverside Park, Carleton Place
What people ask
Ukrainian kvashena kapusta usually carries grated carrot, which makes it slightly sweeter and paler, and it is fermented without caraway as often as with it.
No. The lactic bacteria live on the cabbage leaves already. Salt, pressure and time are the whole method.
Five to ten days at 18 to 22 °C. Cooler rooms take longer and give a firmer, better-tasting result.
A thin white film is kahm yeast — skim it off and carry on. Fuzzy grey, green or black growth means mould, and that batch goes out.
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