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Why won't my dough rise?

Dough fails to rise when the leaven is inactive, the dough is too cold, or the salt has killed the yeast. With fresh milled flour, a sluggish starter and a cool kitchen are the two most common culprits.

Key Takeaways

  • Yeast and sourdough cultures need 75–82°F (24–28°C) to work efficiently.
  • A starter that has not doubled in 4–6 hours after feeding is too weak to leaven bread.
  • Salt added directly to dry yeast or starter can kill it on contact.
  • Hot water (above 130°F / 54°C) kills both commercial yeast and wild yeast.
  • Fresh milled flour rises differently — watch the dough, not the clock.

Problem

After hours of bulk fermentation the dough looks the same as when it was mixed.

Symptoms

  • No visible volume change after 3–4 hours of bulk.
  • Surface looks flat and dull, with no bubbles.
  • Dough feels cold or stiff to the touch.
  • Starter is liquidy and smells sharp instead of yeasty.
  • Poke leaves a permanent dent that does not fill back in.

Likely causes

  • Inactive starter or expired yeast

    If the leaven does not double on its own in a jar, it will not lift a loaf of bread.

  • Cold dough environment

    Below 70°F (21°C), fermentation slows to a crawl, especially for whole grain doughs.

  • Salt killed the yeast

    Salt sprinkled directly on yeast or starter can dehydrate and kill it before mixing.

  • Water too hot

    Water above 130°F (54°C) deactivates yeast. Use lukewarm water — around 90°F (32°C) is safe.

  • Too little leaven for the flour

    Fresh milled flour can need 15–25% more starter than a comparable white-flour recipe.

Solutions

  1. 1

    Test your leaven

    Float test for sourdough or proof commercial yeast in warm water with a pinch of sugar. No activity in 10–15 minutes means replace it.

  2. 2

    Warm the dough

    Move it to the oven with just the light on, on top of the fridge, or use a proofing box set to 78°F (26°C).

  3. 3

    Keep salt separate

    Mix salt into the flour before adding starter or yeast, never directly on top of the leaven.

  4. 4

    Check water temperature

    Aim for 85–95°F (29–35°C). If you cannot measure, lukewarm and comfortable on the wrist is fine.

  5. 5

    Increase the leaven

    For 100% fresh milled doughs, bump starter to 20–25% of flour weight or add 25% more instant yeast.

  6. 6

    Give it more time

    Whole grain doughs sometimes just need an extra 1–3 hours. If the dough is warm and the leaven is alive, patience usually pays off.

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