.5 litre bread kvass
Kvass is low in alcohol and calories while providing probiotics and organic acids from fermentation; it also contains B vitamins and minerals derived from rye bread fermentation.
About
Kvass is a fermented beverage of Eastern European origin, particularly associated with Russian and Eastern Slavic culinary traditions. It is produced through the fermentation of rye bread (typically black or dark rye bread), water, and sometimes supplementary ingredients such as fruit, herbs, or spices using wild yeasts and lactic acid bacteria. The fermentation process typically lasts 3-5 days, resulting in a mildly alcoholic (0.5–1.5% ABV), slightly sour, and malty drink with a dark amber to brown color.
The flavor profile is distinctly bread-forward, with notes of fermentation, subtle sweetness, and mild tartness. Traditional kvass varies regionally; some versions incorporate the addition of mint, fruit juices (particularly berries), ginger, or horseradish, creating regional flavor variants that reflect local preferences and available ingredients.
Culinary Uses
Kvass functions as a refreshing beverage consumed chilled as a summer drink in Russian and Eastern European cuisines, particularly valued for its digestive properties and complex flavor. Beyond a standalone drink, it serves as a critical ingredient in traditional dishes: most notably in okroshka (a cold soup) and as a marinade base for preserved vegetables. The beverage's gentle fermentation and acidity make it suitable for use in bread-making (as a leavening agent), in kvas-based dressings, and as a culinary ingredient in savory preparations. It pairs naturally with hearty bread-based meals and is traditionally served at celebrations and informal gatherings throughout Russia, Ukraine, and Belarus.