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 five minutes.
Drain the mushrooms.
Make the sauce
Make a white sauce using the mushroom liquor and cream.
Add the mushrooms to the white sauce and reheat.
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 ten minutes.
Dilute the egg yolk with cream.
Add the diluted egg yolk to the sauce.
Add the mushrooms to the sauce.
Cook for another ten 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
- Mushrooms
- Provide the main flavor and bulk of the sauce.
- Butter
- Forms the roux with browned flour, adding richness and body to the sauce.
- Browned flour
- Thickens the sauce and adds a toasted, deeper color and flavor.
- Brown stock
- Supplies the liquid base and savory depth of the brown sauce.
- Cream
- Adds richness and smoothness, and helps thicken the white sauce.
- Egg yolk
- Enriches the sauce and thickens it further when added gently at the end.
The step that matters
Add the diluted egg yolk to the sauce. Egg yolk can curdle or scramble if it meets hot liquid directly. Diluting it with cream first and adding it gradually off the heat or at low heat lets it thicken the sauce smoothly.
“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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