Go Back
feeding your potato flake starter with real potatoes

How to Feed a Potato Flake Sourdough Starter with Real Mashed Potatoes

Here is how you can feed your potato flake starter with real potatoes!
5 from 1 vote

Ingredients
  

  • 1/4 cup plain mashed potatoes unsalted, no butter or milk, skin removed
  • 3/4 cup white sugar
  • 1 cup warm water filtered preferred
  • 1/2 to 1 cup of potato flake sourdough starter in a glass jar or bowl

Instructions
 

  • Peel and chop 1 medium potato.
  • Boil in water until fork-tender.
  • Drain and mash until smooth—by hand or in a mixer.
  • Do not add milk, butter, or salt.
  • Let cool completely before using.

Feeding Instructions:

  • In a glass bowl or jar, mix: 1/4 cup plain mashed potatoes, 3/4 cup white sugar, and 1 cup warm water.
  • Stir until smooth and sugar is dissolved.
  • Mix into 1/2 to 1 cup of your starter.
  • Cover loosely with a lid, tea towel, or plastic wrap.
  • Let sit in a warm place for 8–12 hours, or until bubbly, active,

Notes

Tip: Make sure mashed potatoes are completely cool before using—hot potatoes can kill wild yeast and good bacteria.