Kvass (Russian Fermented Rye Bread Drink)

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• I'm from Ukraine but i'm not in Hungary and i miss kvass. To be honest i don't know if the original kvass tastes like the one we always bought in the store because what i know as kvass is dark brown almost black.

  • *now
    (and its 2am here in Debrecen)

• Does the kvass have to be stored in plastic bottles? or can mason jars be used with tight seals? As long as the pressure build up isn't too much, should they be fine, or is there too much danger of an exploding glass jar?

  • If you don't store it too long I think you can use glass bottles. Also if pressure is released from time to time it shouldn't be too much of the danger I believe. But I never tried.

• TWEAKING THE RECIPE

  On the second batch I made these changes;

  1. A 50/50 mix of commercial rye and sprouted wheat breads were used. The rye bread had wheat in it.
  2. Bread crumbs were not crumbed, but left cubed
  3. Only 3/4 cup of sugar was used
  4. A packet of activated dry baker's yeast was simply sprinkled on top of the wort and not stirred in
  5. A crock was used instead of a stainless steel pot
  6. Filled bottles were left out half a day before refrigerating

  The result was a lemony sour beverage more in keeping with what I believe is the true Russian kvass taste, both delicious and refreshing. The yeast went to work quicker and consumed much more of the sugar. Carbonization in the bottle was just as good as with the original recipe.

• This quick and easy brew turned out very nice, but I am going to fiddle with it some to see what can be done with various grains and breads, and the addition of hops and other bittering agents. Also, I will try cutting down on the amount of sugar used to make it, and substitute various other kinds of yeast-friendly sugars.

  I have a dislike for using plastic containers, which leach unhealthy chemicals into foods and beverages, and so used recycled 15 oz. tea bottles (Taoz), filling them 80% full at 12 oz. These bottles have 3/8" wider openings than beer bottles and their screw on caps seal tight over several uses. They are also easier to fill and clean.

  Thanks for the work you did to put this page together and for including the photos for each step in the process.

• This recipe turned out very nice, but I am going to fiddle with it some to see what can be done i had no problem with bottling it in recycled 15 oz. tea bottles (Taoz) with screw on caps, filling them 80% full at 12 oz.

  • The glass ones? Did you have any problems with pressure build up?

    • I bottle a lot of homemade root beer and spruce beer in glass. Like kvass, they can explode a bottle, but I have never had that happen yet. Leave the bottles out in an area where the temperature stays below 75 degrees F until they are ready to refrigerate. Open a bottle occasionally to determine when optimal carbonization has been obtained, then refrigerate. If a geyser erupts upon opening, you are waiting way too long.

      In the refrigerator, the yeast slows down or goes dormant, but is not dead. It still may be working at a much reduced speed. So plan not to hold your kvass more than three weeks. If you are drinking it regularly, as you should, you will have an idea each time you open a bottle how far along your carbonization has come.

      • Thank you for your comment, I am glad you are being creative there :)

• Hi,

  I am writing in with regards to: Kvass (Rye bread fremented drink).
  May I know 1 gallon is US or UK standard?

  Best regards,
  Veronica

  • US

• Does the bread need to be made out of 100% rye flour? I know lots of rye bread have a mix with wheat flour along with the rye..

  • I think bread with mix of rye flour will work too, the more rye the better, but didn't use such myself.

• wowww so amazing!!! Me and my hubby are currently in one former USSR country. Sometimes we went for Ukrainian restaurant and my husband really love this drink(he even bring home often) which really seems one beverage back home. Can't wait to try it and hope it will work for me to surprise him. Thank you so much Julia and thank you for every recipes as well.

• can u use rye flour instead of bread..?

  • You can, but you will get different kind of kvass - it will be lighter in color and unfortunately I can't tell proportions, never tried it with flour.

• This recipe is fantastic. It worked perfectly. I'd never tried kvass before, but I'm making another batch already. Thanks!

  • I am glad you liked it :)