
Beet kvass is one of those ancient fermented tonics that feels almost magical — raw beets, salt, water, and a little time transform into a deeply ruby, tangy drink with a flavor that's earthy, bright, and genuinely unlike anything you'll find on a store shelf. And that's exactly the point: commercial wellness drinks and bottled juices are notorious for sneaking in sweeteners that have no business being there, but this recipe uses nothing of the sort. Every ingredient here is whole and straightforward — beets, sea salt, apple cider vinegar, fresh ginger, filtered water, and an optional handful of thyme for a subtle herbal note. The fermentation process is hands-off and forgiving; you simply let the jar sit at room temperature for a couple of days while the beets do their thing, developing that pleasantly tart, complex flavor you're after. Tasting at the 48-hour mark is a smart move — you're looking for a clean tartness, not sourness, and that window gives you real control over the final result. Served chilled in small glasses, it's a genuinely satisfying sip that works as a digestive tonic, a savory palate opener before a meal, or just a cool, grounding drink on its own. Once you see how simple it is to make at home, it's hard to go back to anything bottled.
Fig is a food discovery app that helps you find foods and recipes that fit your dietary needs. Whether you have food allergies, intolerances, or follow a specific diet, Fig makes it easy to eat with confidence.
Learn more →4 servings






Place the cubed beets into a clean 1-quart wide-mouth glass jar. Add the sea salt, apple cider vinegar, and grated ginger. Tuck in the thyme sprigs, if using.
Pour the filtered water over the beets, leaving at least 1 inch of headspace at the top of the jar. The beets should be fully submerged; press them down gently if any float above the waterline.
Create a Fig account for step-by-step instructions, access to our full recipe library, and more!
