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 ↓
Superior Yeast
Ingredients
Directions
Pare, boil, and mash the potatoes.
Stir in the white sugar and boiling water.
When the mixture is cold, add the cold water and fresh yeast.
Keep in a warm place for 12 hours or until thoroughly raised.
Shake well before using.
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.
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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 and body that gives the starter its thick, mashed texture.
- Fresh yeast
- Ferments the sugars and produces gas that raises the starter.
- White sugar
- Feeds the yeast, giving it the sugar it needs to ferment.
The step that matters
Keep in a warm place until thoroughly raised. Yeast ferments fastest in warmth; too cold and the starter rises slowly or not at all, while the time alone does not show whether fermentation is complete.
“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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