Why it works: Butter and bread match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 27,145 recipes mention both. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
The recipe
Ingredients
Contains: milk, wheat, fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Also mentioned in the method: trout
Directions
Cook the trout in simmering Court bouillon.
In a separate saucepan, melt the butter and add the chopped mushrooms, parsley, and shallot. Cook for 2-3 minutes.
Soak the bread in the Court bouillon until soft, then pass it through a sieve.
Mix the sieved bread with the sauce and moisten it with more Court bouillon.
Strain the trout and serve it on the sauce.
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 aroma chemistry they share, and how many recipes mention both.
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Butter + breadtop 3% of all pairsAroma overlapstrongMentioned together27,145 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Butter + mushroomtop 3% of all pairsAroma overlapstrongMentioned together12,516 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Parsley + shallottop 3% of all pairsAroma overlapmoderateMentioned together3,718 recipes
Shared aroma: coumarin (sweet, hay).
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Mushroom + shallottop 3% of all pairsAroma overlapmoderateMentioned together1,960 recipes
Shared aroma: 2-octenal (fatty, green).
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Mushroom + breadtop 5% of all pairsAroma overlapstrongMentioned together2,535 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the parsley
How well each one fits the dish's main ingredients (butter, mushroom, shallot, bread, sauce):
- Capersbetter flavor fit
- Thymeabout as good a flavor fit
- Parsleythe original
- Garlicabout as good a flavor fit
Fit is the average pairing score against butter, mushroom, shallot, bread, sauce. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
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IllustrationThe Sunday pairing: one pairing, the chemistry behind it, and how to cook it. No spam, unsubscribe anytime.
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