How to Ferment Potatoes


When most people think of fermenting potatoes, they think of making vodka. While that is one way to use fermented potatoes, it's not the only one. They can also be eaten by those who have trouble digesting the starches in potatoes cooked without fermentation. Fermentation breaks down the sugars and starches and introduces probiotics into the body. Probiotics offer protection from some diseases of the stomach and bowel.

Things You'll Need

  • 4 medium-sized potatoes
  • Plain yogurt
  • Place peeled potatoes cut in quarters in a pot and cover with water.

  • Boil potatoes until they are fork tender. Drain the potatoes and place in a bowl.

  • Mash potatoes with a hand masher or in a mixer.

  • Add 1 cup of plain yogurt and 1 tsp of salt to the potatoes and blend together in a blender or using a hand blender. The mixture should look like mashed potatoes.

  • Cover the bowl with a clean cloth and secure with a large rubber band or piece of string.

  • Leave the covered potatoes out on a counter top for two days.

  • Refrigerate and use as a side dish after warming slightly, but not heating all the way. Heating fermented potatoes up to over 120 degrees F will kill the beneficial yeast.

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  • Photo Credit Seiya Kawamoto/Lifesize/Getty Images
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