Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
To Boil Fresh Fish
Ingredients
Directions
Prepare
Wash the fish well in salted cold water.
Sprinkle the fish with coarse sea salt and black pepper.
Tie the fish in a clean cloth with a sprig of parsley.
Cook and serve
Cover the fish with cold water, using lukewarm water for salmon to preserve color.
Cook a two-pound fish for twenty minutes.
Serve with drawn butter mixed with finely chopped hard-boiled eggs.
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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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Fish + salmontop 11% of all pairsSmell alikelowCooked together1,078 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Fish + buttertop 12% of all pairsSmell alikemoderateCooked together4,488 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Parsley + buttertop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Salmon + buttertop 16% of all pairsSmell alikemoderateCooked together4,481 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Fresh fish
- Gentle cooking in water sets the flesh evenly while keeping it moist and tender.
- Drawn butter
- Adds richness and a smooth, silky mouthfeel to the mild fish.
- Hard-boiled eggs
- Give the butter sauce body and a soft, rich texture.
The step that matters
Cooking time for the fish. Fish proteins set and toughen as they heat, so overcooking makes the flesh dry and firm. The twenty-minute time in the record is tied to a two-pound fish.
Swap the parsley
How well each one fits the dish's main ingredients (fish, pepper, salmon, butter, egg):
- Parsleythe original
- Capersfits about as well
- Tarragonfits less well
- Dillfits less well
Fit is the average pairing score against fish, pepper, salmon, butter, egg. Candidates are from the same food group and used in at least 100 recipes.
“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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