Why it works: Potato and sugar are a kitchen classic. They rank in the top 30% of all ingredient pairs, and cooks put them together in 3,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓
Potato Yeast
Ingredients
Directions
Make the potato base
Peel the potatoes.
Boil the potatoes until soft.
Mash the potatoes.
Add boiling water to reach the consistency of common yeast.
Ferment and store
Stir in the sugar or treacle while the mixture is warm.
Stir in the yeast while the mixture is warm.
Place the mixture in a large vessel to allow for fermentation.
Keep it warm until fermentation is complete.
Store the yeast in a cool place, like a cellar, for future use.
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.
Photo for illustrative purposes only · Contact us to use it
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.
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Potato + sugartop 30% of all pairsSmell alikelowCooked together3,032 recipes
Shared aroma: beta-damascenone (apple, rose).
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 mixture its body.
- Yeast
- Starts fermentation, producing gas that makes the mixture rise and bubble.
- Sugar or treacle
- Gives the yeast readily available food, speeding fermentation and adding sweetness.
The step that matters
Stir in the yeast while the mixture is warm. Yeast is killed by high heat but works slowly when cold. The mixture should be warm enough to activate the yeast without scalding it, so fermentation starts well.
“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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