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fermented fruit in a large mason jar with a silver bowl covered with a white and blue damask napkin in the background
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Fermented Fruit

Fermented blueberries are a delicious and healthy way to get probiotics. Depending on the method you use will depend on the flavor. Try method 2 for a sweeter ferment or method 1 for a sweet and salty version.
Course Fermented Foods
Cuisine American
Keyword fermented fruit
Prep Time 5 minutes
Additional Time 3 days
Total Time 3 days 5 minutes
Servings 8
Calories 56kcal
Author Lisa Bass

Ingredients

Method 1: Salt Brine

  • Salt - Use non-iodized salt when fermenting.
  • Blueberries

Method 2:

  • 2 cups blueberries
  • 6 tablespoons kombucha or whey or water kefir liquid
  • 3/4 teaspoon good quality salt
  • 6 tablespoons organic cane sugar
  • 9 tablespoons filtered water

Instructions

Method 1: Salt Brine

  • You will need 2% salt to have a successful fermentation. Weigh blueberries in grams to determine how many grams of salt you need.
    Example: if you have 300 grams of blueberries, you’ll need to add 6 grams of salt. To get this number, I calculated 300 (g) x 0.02 = 6g.
  • Add blueberries to a bowl and sprinkle salt over. Mix.
  • Pour into a jar and add a weight.
  • Place a lid on the jar and seal it loosely, because this mixture will bubble and the air bubbles will need to escape.
  • After 24 hours, start to taste your ferment every day until it is the perfect level of fermentation for you.
  • For this method, it typically takes anywhere from three to seven days, depending on the storage temperature for the jar.

Method 2: Sugar Brine Solution

  • Heat water slightly.
  • In a jar, add sugar and salt. Pour in warm water and stir to dissolve. Allow to cool.
  • Once the water is cool, add remaining ingredients.
  • Weigh down fruit with a fermentation weight. All the fruit must stay below the brine.
  • Add a loose lid on the jar or use a pickle pipe to allow the gasses to release. After 24 hours, taste every day until your ferment reaches the desired taste.

Notes

  • For quality of ingredients, you will want to choose non-iodized salt, filtered water, and organic fruit when fermenting.
  • You can also use frozen blueberries, but the blueberries melt down into a more mashed up/syrupy consistency.
  • Fruit ferments quicker than vegetables. Make sure to test it every day after 24-48 hours, because it can cross the threshold into alcohol quickly.
  • With fruit fermentations, it is best if they have a jump starter culture like the whey, water kefir, or kombucha, so they will ferment quickly and not turn into alcohol.
  • Make these recipes in small batches, because they will not last more than a few weeks in the fridge.

Nutrition

Calories: 56kcal | Carbohydrates: 14g | Protein: 0.3g | Fat: 0.2g | Saturated Fat: 0.01g | Polyunsaturated Fat: 0.1g | Monounsaturated Fat: 0.02g | Sodium: 219mg | Potassium: 29mg | Fiber: 1g | Sugar: 13g | Vitamin A: 20IU | Vitamin C: 4mg | Calcium: 3mg | Iron: 0.1mg