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Probiotic Whey Soda
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4.70 from 10 votes

How to Make Probiotic Whey Soda

This probiotic whey soda is bubbly and effervescent  - the perfect gut-healthy drink that comes together easily at home with a few simple ingredients.
Course Drinks
Cuisine American
Keyword fermented
Servings 4 people10
Author Sheryl

Ingredients

  • 3 C strawberries stem removed, sliced
  • 1 C cane sugar organic
  • 1 C acid whey
  • 4 quarts filtered water

Instructions

  • Simmer the strawberries (or fruit of your choice) and sugar in water for 20-30 minutes.
  • Cool to room temperature. Strain out the strawberries.
  • Transfer the strawberry juice to a gallon glass jar. Add the whey. Cover with a piece of fabric, coffee filter or muslin (rubber band appropriately). 
  • Allow the mixture to sit for 3 days (72 hours). The longer you allow it to go, the less sweet it will be as the bacteria will feed on the sugars. 
  • Transfer the soda to your swing top bottles, make sure you allow a few inches of space at the top.
  • Keep the soda bottles at room temperature for 1-2 additional days. Check the bottles each day -- open up to allow some of the pressure to escape (do this over the sink!)
  • Move the bottles to your refrigerator so slow down fermentation. Serve chilled over ice.

Notes

  • Use caution when opening swing top bottles with this probiotic soda. The build up of pressure within the bottles can happen quite fast. I would suggest opening them over the sink very carefully or even outside.
  • I always like to place the jars in one side of the sink after bottling. Then I throw a large, clean bath towel on top until they are placed  in the refrigerator. I do this as a precaution (I have had bottles explode and it isn't pretty!)
  • Should your initial soda mixture  in  the gallon glass jar develop a film or white spots on the top, don't panic. It's kahm yeast  - and it's a sign that  things are going in your favor. Stir the mixture each day , or simply skim the yeast off the top.