Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Fish Salads
Ingredients
Directions
Make the dressing
Combine egg yolks, salt, pepper, sugar, onions, and parsley in a medium bowl.
Slowly drizzle in the oil while stirring with a wooden spoon until the mixture thickens.
Gradually add the vinegar until you have enough dressing for your salad.
Taste and adjust seasoning as needed.
Cook the fish
Melt butter in a sauté pan, add the fillets, season with salt, pepper, and lemon juice, and sauté on low heat until cooked.
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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Parsley + lemontop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Emulsify the oil and vinegar, giving the dressing its thick, creamy body.
- Oil
- Forms the fat base of the emulsion, adding richness and smooth texture.
- Vinegar
- Adds acidity that brightens the dressing and balances the rich yolk and oil.
- Butter
- Adds fat and flavour to the pan, helping the fish brown lightly and stay moist.
The step that matters
Drizzle the oil slowly while stirring. Egg yolks can only hold oil droplets when it is added gradually. Pouring too fast breaks the emulsion, so the dressing stays thin and separates instead of thickening.
Swap the onion
How well each one fits the dish's main ingredients (egg, pepper, sugar, parsley, vinegar, lemon, butter):
- Shallotfits better
- Capsicumfits better
- Mustardfits better
- Onionthe original
Fit is the average pairing score against egg, pepper, sugar, parsley, vinegar, lemon, butter. 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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