Why it works: Milk and butter 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 ↓
Potato Rolls
Ingredients
Directions
Prepare the dough
Boil, peel, and mash the potatoes.
Mix the salt and yeast with the lukewarm water or other liquid.
Add 2 tablespoons of flour.
Combine the mixture with the mashed potatoes.
Let the dough rise at about 86°F (30°C) until it falls when touched.
Add the butter, sugar, and remaining flour.
Mix until a stiff dough forms.
Knead the dough until smooth and no longer sticky.
Let the dough rise again until it triples in volume.
Knead lightly.
Shape and bake
Form into small balls.
Place the balls in greased pans, spaced apart.
Allow the rolls to rise until doubled in volume.
Bake for 20 minutes at 400°F (200°C).
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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Milk + buttertop 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
- Add starch and moisture, giving the rolls a soft, tender crumb.
- Flour
- Forms the gluten network that gives the dough structure and lets it hold its rise.
- Yeast
- Ferments sugars and produces carbon dioxide gas, which makes the dough rise.
- Butter
- Adds fat that tenderizes the crumb and richens the flavor.
- Sugar
- Feeds the yeast and adds sweetness and some browning in the baked rolls.
The step that matters
Knead the dough until smooth and no longer sticky. Kneading develops gluten so the dough can trap gas during rising. Under-kneaded dough rises poorly and bakes up dense.
Swap the potato
How well each one fits the dish's main ingredients (flour, milk, sugar, butter):
- Arrowrootfits about as well
- Sweet potatofits about as well
- Potatothe original
- Leekfits about as well
Fit is the average pairing score against flour, milk, sugar, butter. 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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