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 ↓
Mushroom Sauce
Ingredients
Directions
Make the sauce base
Melt the butter in a saucepan.
Gradually stir in the flour, mixing constantly until smooth.
Pour in the milk (or milk and cream) and stir until it boils.
Add mushrooms and serve
Remove from heat and add the drained mushrooms, pepper, and salt.
Steam the mixture briefly before serving.
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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Butter + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Mushroom + peppertop 11% of all pairsSmell alikemoderateCooked together13,580 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + mushroomtop 12% of all pairsSmell alikemoderateCooked together2,231 recipes
Shared aroma: 1-hexanal (fruit).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 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
- Fat that carries flavor and coats the flour so it blends smoothly.
- Flour
- Starch that thickens the liquid as it heats, giving the sauce body.
- Milk
- Forms the liquid base that the flour thickens into a creamy sauce.
- French mushrooms
- Add savory, earthy flavor and chewy texture to the sauce.
The step that matters
Gradually stir in the flour, mixing constantly until smooth. Flour starch clumps when dropped into hot fat in one go. Adding it gradually while stirring coats each grain, so the starch disperses evenly and the sauce thickens without lumps.
“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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