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Russia · Drinks

Kvass

1440 min
50 kcal
8 servings

By eatmundo · September 8, 2026

Kvass🇷🇺AI-generated image

Same ingredients, elsewhere in the world

1 match

Dishes from other countries' kitchens, made from the same core ingredients as Kvass. The percentage is the share of ingredients the two recipes have in common.

Same technique: Fermented drink32 recipes from 15 countries

A traditional fermented Slavic beverage made from rye bread. It is mildly effervescent with a pleasant, tangy sweetness.

According to eatmundo's ingredient comparison, the closest dish to Kvass from another cuisine is Traditional English Mead (United Kingdom): the two share 50% of their ingredients.

Ingredients

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8 servings

How 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.

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