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How to Make a Gluten-Free Sourdough Starter from Scratch

Posted on March 21, 2025 by Rachel Slack

Sourdough lovers, rejoice! You don’t have to miss out on homemade sourdough just because you’re avoiding gluten. With a little patience and the right ingredients, you can create a thriving gluten-free sourdough starter that will have you baking delicious, tangy loaves in no time.

Ingredients:

  • Gluten-free flour (or all-purpose flour) – Brown rice flour, sorghum flour, or a gluten-free flour blend work well. (Regular all-purpose or whole wheat flour can be used if gluten-free isn’t needed.)
  • Filtered water – Avoid tap water with chlorine, as it can inhibit fermentation.
  • A glass jar – Use a clean, wide-mouth jar for easy stirring.
  • A spoon or silicone spatula – For mixing.

Directions:

  • Day 1: Mix
    • In your jar, combine ½ cup gluten-free flour (or all-purpose flour) and ¼ cup filtered water. Stir well to create a thick paste. Cover loosely with a lid or a breathable cloth and let it sit at room temperature.
  • Days 2–7: Feed Daily
    • Each day, discard half of your starter and add:
      • ½ cup gluten-free flour (or all-purpose flour)
      • ¼ cup filtered water
    • Stir well, cover loosely, and let it sit. You should start seeing bubbles and a slightly tangy smell by day 3 or 4.
  • Day 7+: Ready to Use!
    • By day 7, your starter should be bubbly and have a pleasant, slightly sour aroma. You can now use it in your favorite gluten-free sourdough recipes! If not baking daily, store it in the fridge and feed it once a week.

With a little love and care, your gluten-free sourdough starter will be the key to delicious homemade breads, pancakes, and more! Happy baking!

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