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 ↓
Potatoe Rolls
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare the dough
Boil the potatoes until tender.
Mash the potatoes with the butter.
Add enough milk to make the mixture pass through a colander.
Mix the yeast and warm water with the potato mixture.
Pour the mixture over the flour.
Add salt.
Knead the dough well, adding more warm milk or water if needed.
Rise, shape and bake
Let the dough rise in a warm place for 1 hour.
Shape the dough into rolls.
Place the rolls on a baking sheet.
Bake in a 350°F (175°C) oven for about 30 minutes.
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).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Potato + buttertop 13% of all pairsSmell alikemoderateCooked together6,456 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Flour + milktop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour 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
- Add moisture and soft starch that keeps the rolls tender and moist.
- Flour
- Forms the gluten network that gives the dough structure and chew.
- Yeast
- Ferments sugars to produce gas that makes the dough rise.
- Butter
- Adds fat that softens the crumb and enriches the flavor.
The step that matters
Knead the dough well. Kneading develops the gluten network that traps the yeast gas. Under-kneaded dough rises poorly and bakes into dense rolls. Adjust with warm liquid only as needed, since too much makes the dough sticky.
Swap the potato
How well each one fits the dish's main ingredients (butter, flour, milk):
- Potatothe original
- Arrowrootfits about as well
- Leekfits less well
- Shallotfits less well
Fit is the average pairing score against butter, flour, 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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