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 ↓
Good Yeast
6 loaves of breadIngredients
Directions
Make the starter
Boil 3 handfuls of hops in 1 gallon of water.
Strain the hot water over the grated potatoes, stirring until thickened.
Add 1 teacup of sugar and ½ cup of coarse sea salt.
When cool, mix in 1 cup of good yeast.
Let it stand until a thick foam rises on top.
Use
Use 1 coffee cup of yeast for 6 loaves of bread.
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).
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Potato + hopstop 39% of all pairsSmell alikelowCooked together3 recipes
Shared aroma: myrcene (balsamic, herbaceous).
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Hops + sugartop 43% of all pairsSmell alikelowCooked together6 recipes
Shared aroma: guaiacol (smoky, sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Raw potatoes
- Grated potato thickens the liquid and supplies starch that feeds the yeast.
- Hops
- Hops add bitterness and aroma and help preserve the starter.
- Sugar
- Sugar gives the yeast an easily used food source so it becomes active and foams.
- Good yeast
- Live yeast is the leavening agent that ferments the starter and raises the bread.
The step that matters
Let it stand until a thick foam rises on top. The foam shows the yeast is active and fermenting. Using the starter before it foams means weak leavening and dense bread.
Swap the potato
How well each one fits the dish's main ingredients (hops, sugar):
- Mustardfits better
- Cucumberfits about as well
- Capsicumfits about as well
- Potatothe original
Fit is the average pairing score against hops, sugar. Candidates are from the same food group and used in at least 100 recipes.
“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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