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Fermented Sweet Red Onions: Easy Old Fashioned Recipe
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Lacto fermented sweet red onions in a half gallon mason jar with a wooden tamper

Fermented Sweet Red Onions: Easy Old Fashioned Recipe

homemakerspurpose
Discover how to make Fermented Sweet Red Onions, an Old-Fashioned Recipe with deep flavor, natural sweetness, and gut-healthy, probiotic-rich goodness.
Prep Time 20 minutes
Fermentation 3 days
Total Time 3 days 20 minutes
Course Ferments
Cuisine American

Ingredients
  

  • 2 Large Red Onions Adjustable depending on your amount
  • 3 tsp Salt not iodized
  • 4 cups Water
  • 2 tsp Sugar
  • 1 Half Gallon Mason Jar

Instructions
 

  • Create a 2% fermentation brine by dissolving 3/4 tsp of salt per cup of water. Add 1/2 tsp sugar per cup if desired.
  • Slice and chop red onions to desired size.
  • Pack red onions tightly into mason jars. Optional to use a wooden tamper.
  • Add in a pickling spice mix or create your own for added flavor.
  • Pour fermentation brine over onions leaving 2" head space for fermentation weight.
  • Secure jar with a lid and shake to make sure all air bubbles have surfaced and onions are fully surrounded in brine.
  • Place a fermentation weight or create a wedge with a cabbage leaf. Seal with a lid.
  • Leave the jar on the counter for 3 days to a week, check regularly to allow some gas to escape. Bubbles will appear in the jar giving your jar a carbonated look.
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