Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Bread
Ingredients
Directions
Prepare the dough
Boil the potatoes in plenty of water until soft.
Mix flour, sugar, and salt in a large jar.
Pour the hot potato water over the mixture and add the mashed potatoes.
When cool, add enough warm water to make a gallon of the mixture.
Add the soaked yeast cake and set in a warm place overnight.
Shape and bake
In the morning, mold into a hard lump and let rise.
Shape into loaves and let rise again before baking.
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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Potato + milktop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Potatoes
- Mashed potatoes add moisture and body to the dough and help keep the bread soft.
- Flour
- Provides the starch and gluten that form the structure of the loaves.
- Yeast cake
- Ferments the sugars in the dough, producing gas that makes the bread rise.
- Sugar
- Feeds the yeast during fermentation and adds mild sweetness and browning.
The step that matters
Overnight rise in a warm place. Yeast needs steady warmth to ferment slowly; if the dough is too cold it rises poorly, and if too hot the yeast can overwork and sour the dough.
Swap the potato
How well each one fits the dish's main ingredients (flour, sugar, butter, milk):
- Arrowrootfits about as well
- Sweet potatofits about as well
- Potatothe original
- Leekfits about as well
Fit is the average pairing score against flour, sugar, butter, milk. 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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