How to Leach Potassium From Potatoes

Photo of Quartered Potatoes in Water

Step-by-Step Guide on How to Leach Potassium from Potatoes

Did you know you can leach out or reduce the potassium in foods like potatoes, sweet potatoes, and yams by about 50% by double boiling? Learn how to leach potassium from potatoes in our step-by-step guide below.


  • 1 Stockpot
  • 1 Strainer
  • 1 Peeler
  • 1 knife


  • Potatoes
  • Water


  • Peel the potatoes and slice them into small quarter-inch pieces.
    Photo of Peeled and Quartered Potatoes
  • Rinse the vegetables thoroughly.
    Photo of Rinsing Quartered Potatoes
  • Fill a pot with water and add potatoes (2:1 ratio/water: potatoes). Bring the pot of water to a boil, then drain the water off and rinse the potatoes again.
    Boiling Potatoes
  • Fill the pot again with water (2:1 ratio), and boil until soft but integrity is retained.
  • Drain the potatoes and prepare as desired.
    Straining Potatoes

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