Fermenting Berries

Photo of Sharol Tilgner
Berries for fermenting

How To Ferment Berries

Fermented berries are so yummy. No, not talking about wine, but actual lactic acid fermented berries. These berries taste wonderful. Both sweet and tangy. I use them on warm cereal, added to fruit salads, on ice cream and they are even great by themselves.

Choosing Berries For Fermentation

You can use almost any berry except strawberries. Strawberries don't make a good berry fermentation.

I like to ferment fresh berries, but frozen will be okay. I have made many a frozen berry ferment in the winter from my freezer stash.

Tools And Ingredients Necessary

  • Container

A container for fermentation. You can use a crock, but I usually make small amounts, so I use a quart canning jar. For people without crocks, you can get canning jars in pint, quart,1/2 gallon or gallon size that work great.

  • Water

Clean, filtered water, well water, spring water. Just something without chemicals in it.

  • Salt

Non iodized salt, as iodine may decrease the fermentation process.

  • Starter

I have used whey from making soft goat cheese, or the liquid separated from live yogurt, freeze dried culture is fine too.

  • Honey
  • Berries
Berries and other ingredients being mixed together.
Ingredients for berry fermentation in jar

Ingredients For 1 quart of Frozen Berries

  • Honey - 4 tablespoon
  • Salt - 1/2 teaspoon
  • Whey or liquid from yogurt - 4 tablespoon, or 1 teaspoon culture starter (if using culture starter, add 2 tablespoons water).
  • Water - 4-6 tablespoons

per pint: 2 T honey , 1/4 t salt, 2 T whey or 1/2 t culture starter, 2-3 T filtered water - if using culture starter add an additional T water.


Mix all the ingredients together and put them into your container. In this case the container is a quart jar. I am using a plastic bag filled with a small amount of water and sealed to make a lid to keep oxygen off of the ingredients. The lid you use needs to push all the oxygen out and this is something you can use if you don't have a crock and lid to fit the crock. You can get unfriendly bacteria growing if you don't keep the oxygen out.

Fermenting beries in jar with bag of water on top.

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