Why it works: Butter and mushroom are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 12,525 recipes. Both carry trans-2-decenal, which smells waxy, orange. The science ↓
Mushroom Sauce
Ingredients
Directions
Make the roux
Heat the butter and drippings until brown.
Add flour and stir until smooth.
Make the sauce
Gradually add the stock, stirring constantly.
Strain the mixture.
Add the mushrooms and cook for 5 minutes.
Stir in Worcestershire sauce, salt, and pepper.
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 + 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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + saucetop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Flour + saucetop 18% of all pairsSmell alikemoderateCooked together8,078 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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
- Adds fat and richness, and browning gives the sauce a deeper, nutty flavor.
- Flour
- Thickens the sauce as its starch swells in the hot butter and stock.
- Stock
- Forms the liquid base of the sauce and carries its savory flavor.
- Mushrooms
- Add earthy flavor and a tender, meaty texture to the sauce.
The step that matters
Adding the stock gradually. Flour must be whisked into the hot fat and liquid slowly and constantly so its starch disperses evenly. Adding the stock all at once can form lumps that are hard to smooth out.
“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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