Why it works: Mushroom and butter 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
Prepare the mushrooms
Peel and break the mushrooms into small pieces.
Cook the mushrooms in hot water for 5 minutes.
Drain the mushrooms.
Make the sauce
Make a white sauce using the mushroom liquid and cream.
For a brown sauce, make a roux with butter and browned flour.
Stir in brown stock, mushroom liquor, salt, and pepper.
Cook the sauce for 10 minutes.
Dilute the egg yolk with cream.
Add the diluted egg yolk to the sauce.
Add the mushrooms to the sauce.
Cook for another 10 minutes.
Serve
Serve with beefsteak or poultry.
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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Mushroom + buttertop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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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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Mushroom + creamtop 15% of all pairsSmell alikelowCooked together4,500 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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
- Fresh mushrooms
- Provide the main flavour and body of the sauce.
- Butter
- Forms the fat base of the roux, adding richness and smooth texture.
- Browned flour
- Thickens the sauce and adds a deeper, toasty colour and flavour.
- Cream
- Adds richness, smoothness and body to the sauce.
- Egg yolk
- Enriches and further thickens the sauce, giving a silkier texture.
The step that matters
Adding the diluted egg yolk. Egg yolk thickens when heated, so it can curdle if added to a boiling sauce. Diluting it with cream and stirring it in off the heat or at low heat keeps the sauce smooth.
“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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