Bread Kvass

A traditional Russian bread kvass is a fermented and carbonated beverage in which the main components are Rye bread, yeast, sugar, water and raisins. In Russia kvass is used in some cold recipes such as okroshka.

Bread Kvass

Prep Time 15 minutes
Cook Time 6 minutes
Total Time 14 hours 21 minutes
Servings 12 servings


  • 3 l boiled water room temperature
  • 1 cup sugar
  • 2 Tbsp active dry yeast
  • 10 slices Rye bread
  • 3 Tbsp raisins optional


  • Slice Rye bread.
  • Position a rack in the upper third of an oven and preheat the broiler. Arrange bread slices on a baking sheet. Broil the slices until dark brown, turning them over only once, about 3-4 minutes per side.
  • In a large bowl, mix together active dry yeast, sugar and water. Place bread and raisins in 3 Mason jars and fill the jars with water.
  • Cover the jars with lid or plastic wrap and let it stand on the countertop for 6-8 hours at room temperature, stir the mixture occasionally.
  • Carefully remove the toasted bread and raisins and discard them. Using a strainer pour the kvass into empty jars or plastic containers and place in the refrigerator overnight.
  • Serve chilled and ENJOY!
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