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 ↓
Cream Porarors
Ingredients
Directions
Prepare the potatoes
Cut the cold potatoes into very thin slices.
Make the cream sauce
Melt the butter in a frying pan.
Add the flour to the hot butter and stir until smooth.
Gradually add the milk or cream, keeping it hot.
Season with salt and pepper to taste.
Serve while hot.
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 + peppertop 9% of all pairsSmell alikemoderateCooked together8,305 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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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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Butter + flourtop 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).
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
- Form the bulk of the dish, providing starchy body for the creamy sauce to coat.
- Butter
- Adds richness and fat, and carries flavour when melted in the pan.
- Flour
- Thickens the milk or cream into a smooth sauce when stirred into the hot butter.
- Milk or cream
- Forms the liquid base of the sauce, adding moisture and a creamy texture.
The step that matters
Adding the milk or cream gradually. Adding liquid slowly to the butter and flour mixture while stirring keeps it smooth. Flour clumps when liquid is poured in all at once, and a smooth sauce depends on the flour being fully dispersed as the mixture thickens.
Swap the potato
How well each one fits the dish's main ingredients (butter, flour, milk, pepper):
- Potatothe original
- Capsicumfits about as well
- Chivefits less well
- Shallotfits less well
Fit is the average pairing score against butter, flour, milk, pepper. 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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