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Yeast with Peas

A method to produce yeast by soaking peas in boiling water for 24 hours.

From an old cookbook · modernised transcription
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Yeast with Peas

Ingredients

Directions

  1. Pour boiling water over the peas in a bowl.

  2. Let the mixture sit in a warm place for 24 hours.

  3. The water will become a good yeast with a frothy top by the next morning.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Explore the science

What each ingredient does

Split or bruised peas
Provide the starches and natural microbes that ferment the water into a leavening yeast.
Boiling water
Softens and wets the peas so their surface microbes and sugars can become active in the liquid.

The step that matters

Leaving the mixture in a warm place. Fermentation depends on warmth; a cool spot slows the microbes, so the yeast may not froth by morning.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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