Kvass is a carbonated drink that is traditional in a number of Slavic cuisines. Kvass perfectly quenches thirst; cold soups, such as okroshka, are also prepared on its basis. Any kvass is made from wort or sourdough. We invite you to prepare homemade yeast starter for kvass according to our recipe. Any housewife can find the ingredients for cooking at home! In addition to the food, you will need a clean kitchen towel.