Grape Juice Kefir Recipe


Grape Juice Kefir Recipe

Makes 3 cups

A few well-rinsed dairy kefir grains added to diluted juice makes a sweet, tart, slightly fizzy, and ultra-refreshing lacto-fermented, kefir grape juice. This grape juice kefir recipe calls for store-bought organic Concord grape juice, but if you make your own grape juice with a press, steam, or centrifuge juicer it can be substituted directly into this recipe.

2 cups organic 100% Concord grape juice

1 cup water (well, spring, or filtered)

1 tablespoon active dairy kefir grains or 1 packet of kefir starter (see cooks note)

In a quart-sized mason jar combine the grape juice and water. Add the kefir grains or starter culture. Cover with a closely woven cloth or paper towel. Use a string or rubber band to tightly secure the cover. Leave the juice at room temperature (about 70 degrees F) until it becomes slightly carbonated, about 2-3 days. Skim any foam that rises to the top. (It is a byproduct of the yeast and only is removed for cosmetic reasons.) Strain out the kefir grains (if desired, dairy kefir grains can be used again to culture one additional batch of juice.) Tightly cover the finished drink, and store in the refrigerator. Serve cold. The drink will form a thick, frothy head when poured, there is no need to remove the foam.

Cooks note:

To prepare dairy kefir grains for making Kefir Grape Juice rinse them in water until the water runs clear. No traces of milk should remain.

I recommend Cultures for Health kefir grains and Body Ecology kefir starter culture.


Grape Juice Kefir Recipe was shared at Fat TuesdaySlightly Indulgent Tuesday, and Real Food Wednesday.

About Dori

I develop recipes, blog, teach, and consult about gluten-free recipes, fermentation techniques, and nutrient-dense foods. Visit (Some posts contain affiliate links which help to pay for this site.)
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7 Responses to Grape Juice Kefir Recipe

  1. Debby says:

    I’ve just been given some kefir so was really pleased to see this recipe. I love grape juice. Thanks for sharing

  2. Connie says:

    wouldn’t water kefir grains do better?

  3. Julie says:

    Once you take milk kefir grains out of milk and convert to juice kefir grains, you can’t switch back to milk, right? Also, can you switch different juices with the same kefir grains? I ask because I have converted some milk grains and they are in apple juice now.

  4. Tom says:

    I’ve used water kefir grains with grape juice–2 parts juice, 1 part water. I don’t know how they compare in performance with milk kefir grains in this connection, but they do very well and in less than 2-3 days.12 to 24 hours is all they require.

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