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Abtifioial Yeast

A yeast starter made by boiling potatoes, mixing with molasses and home‑brewed yeast, then fermenting.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Potato and molasses work together. They rank in the top 31% of all ingredient pairs, and cooks put them together in 197 recipes. Both carry furaneol, which smells caramel, strawberry. The science ↓

Abtifioial Yeast

Ingredients

Directions

Make the starter

  1. Boil the potatoes until soft and beginning to break.

  2. Mash the potatoes into a thin paste with boiling water.

  3. Mix in the molasses and yeast over heat if the weather is cold.

  4. Allow the mixture to ferment until it reaches its peak.

Use

  1. Use the yeast when fermentation is at its height.

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

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Potato + molassestop 31% of all pairs
    Smell alikelow
    Cooked together197 recipes

    Shared aroma: furaneol (caramel, strawberry).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Potatoes
Provide starch that feeds the yeast and gives the starter body.
Molasses
Supplies sugar that yeast converts into carbon dioxide and alcohol during fermentation.
Home-brewed yeast
Carries the fermentation that leavens and flavours the final product.

The step that matters

Mixing over heat in cold weather. Yeast works slowly in cold conditions, so the mixture needs gentle warmth to start fermenting. Overheating can kill yeast cells, so warmth should stay mild.

“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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