Easy Lacto-Fermented Blueberries

Fermented fruit? It might not be the first thing that comes to mind to “pickle” but fermented fruits make a great base for sauces, dressings and to add surprise crunch and flavor to all sorts of dishes. The first time I made them (experimented, really), I expected them to be quite salty but the salt taste was mild and the berries surprisingly crunchy.

I’m using the lacto-fermentation process – a very easy way to ferment anything to get those gut health benefits. You don’t need a fancy vacuum sealer for this – and handheld pump will get the job done.

Lacto-Fermented Blueberries

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Equipment

  • Vacuum Sealer Bag

Ingredients

  • Blueberries
  • Water
  • Salt

Instructions

  • Clean blueberries and weigh in grams. Multiply weight of blueberries by .03 to calculate how many grams of salt is needed.
  • Place blueberries and salt in a vacuum sealable bag and shake well to distribute the salt. Carefully spread berries out then remove air and seal bag.
  • Store at room temperature and allow the bag to become fully pressured/puffed up (3-10 days). At that point, they’re ready. Transfer to jar and refrigerate. Use within a month for best flavor (they become sourer with age).

Notes

  • I’ve used a lower amount of salt for this recipe but you can try a bit less (.02 for the salt multiplier). Don’t go lower if you plan to store for a while since you’ll have a greater chance of spoilage.
  • You can freeze the fermented berries for a few months keeping in mind that they’ll soften up a bit.
  • Add some dried cocoa nibs or freeze-dried raspberries to the fermentation process to complement the final flavors of the blueberries.
  • Puree the berries to make a tart and mildly salty sauce or add brown sugar or sweet, dried fruits like figs for a sweeter sauce.
  • You can also create dressings by adding balsamic vinegar or mayonnaise – with or without sugar – that are great on a salad or as a dipping sauce.

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