Why it works: Potato and milk are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 3,611 recipes. Both carry (e,z)-2,6-nonadienal, which smells cucumber, melon. The science ↓
Flour and Potato Rolls
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Make the dough
Boil and dry the potatoes.
Mix the potatoes with sweet cream and milk.
Rub the mixture through a wire sieve into the flour.
Mix the warm milk with yeast and add to the flour mixture.
Knead into a dough and let it rise.
Shape and bake
Form into rolls and bake at 400°F (200°C) until golden.
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 + milktop 9% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Potato + flourtop 15% of all pairsSmell alikemoderateCooked together5,355 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Potato + creamtop 17% of all pairsSmell alikelowCooked together2,481 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Cream + milktop 18% of all pairsSmell alikemoderateCooked together29,399 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
Milk and flour barely smell alike, yet cooks put them together in 78,219 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 a soft, tender crumb to the dough.
- Flour
- Provides the structure that gluten forms as the dough is kneaded.
- Yeast
- Ferments the sugars in the dough, producing gas that makes it rise.
- Sweet cream
- Adds fat for richness and a more tender, delicate texture.
- Milk
- Adds moisture and softness, and its milk sugars help the crust brown.
The step that matters
Let the dough rise. Yeast needs enough time and warmth to produce gas. If the dough rises too little, the rolls stay dense; if it over-rises, the structure weakens and they may collapse.
Swap the potato
How well each one fits the dish's main ingredients (cream, milk, flour):
- Arrowrootfits about as well
- Potatothe original
- Leekfits about as well
- Spinachfits less well
Fit is the average pairing score against cream, milk, flour. 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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