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
Melt the butter in a saucepan over medium heat.
Stir in the flour and cook until it turns dark brown.
Add the stock and stir until it boils.
Incorporate the liquid from the mushrooms and let the mixture simmer for five minutes.
Season with pepper and salt, then serve.
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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Mushroom + flourtop 18% of all pairsSmell alikemoderateCooked together8,253 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + peppertop 19% of all pairsSmell alikemoderateCooked together50,459 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
- Carries the flour and adds richness and a rounded, savory flavor to the sauce.
- Flour
- Thickens the sauce as its starch swells in the hot liquid, and cooking it darker adds toasted flavor.
- Stock
- Forms the main liquid of the sauce, providing body and savory depth.
- Mushrooms
- Their liquid adds earthy, concentrated mushroom flavor to the sauce.
The step that matters
Cooking the flour until dark brown. Flour toasts quickly and can scorch, turning bitter. Keep the heat moderate and stir constantly so it browns evenly, then add the stock before it burns.
“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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