🇷🇺 Russia · Drinks
Kvass
By eatmundo · September 8, 2026
🇷🇺 RUAI-generated imageA traditional fermented Slavic beverage made from rye bread. It is mildly effervescent with a pleasant, tangy sweetness.
Ingredients
check them off as you prepareHow to Make It
- 1
Slice 500g of rye bread and toast in a 180°C oven until dark brown but not burnt.
- 2
Bring 3L of water to a boil in a large pot and submerge the toasted bread, allowing it to soak for 4 hours.
- 3
Strain the liquid through a cheesecloth into a clean container, discarding the solids.
- 4
Dissolve 100g of sugar into the liquid while it is still slightly warm.
- 5
Sprinkle 10g of yeast over the top; let it sit until the surface shows light activity, about 30 minutes.
- 6
Pour into a sanitized glass vessel and add 20g of raisins, covering loosely to allow fermentation gases to escape.
- 7
Keep the vessel in a cool, dark place for 24 hours until the brew becomes bubbly and sharp.
- 8
Refrigerate for 6 hours to stop fermentation before serving ice-cold.
Frequently Asked Questions
What is Kvass?+
Kvass is a traditional fermented Slavic beverage derived from rye bread. It is characterized by its light effervescence and a uniquely tangy, slightly sour flavor profile.
Can I use store-bought bread?+
Yes, but ensure it is high-quality rye bread without artificial preservatives, which can inhibit fermentation.
Is Kvass alcoholic?+
It contains trace amounts of alcohol, usually less than 1%, similar to other fermented drinks like kombucha.
How do I know if the fermentation is working?+
Look for small bubbles forming on the surface and a slight change in the aroma to something yeasty and tangy.
Why add raisins?+
Raisins provide extra sugars to boost fermentation and add a subtle sweetness to the finished beverage.
🇷🇺 RUAI-generated imageMundo Match
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