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 ↓
A Nice Foundation for Alu Cream Soups
Ingredients
Directions
Melt the butter in a double boiler.
Add the flour and blend well.
Gradually add the milk, stirring constantly until thick and there is no raw taste of flour.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 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
- Butter
- Enriches the base with fat, giving a smooth, rich mouthfeel.
- Flour
- Thickens the milk into a smooth, creamy base as it cooks.
- Sweet milk
- Forms the liquid of the base, which thickens as the flour cooks in it.
The step that matters
Adding the milk to the flour and butter. Milk added all at once or without constant stirring can form lumps of flour that do not blend out. Stirring while adding the milk keeps the starch dispersed so the sauce thickens smoothly. Cooking until the raw flour taste is gone matters because the starch must fully gelatinize.
“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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