Why it works: Vinegar and parsley are a kitchen classic. They rank in the top 16% of all ingredient pairs, and cooks put them together in 6,477 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
To Boil Fish
Ingredients
Directions
Cover the fish in hot water or wrap it in a linen cloth.
Cook until tender.
Add 1 tablespoon of vinegar and 1 teaspoon of salt for every quart of water to bleach and season the fish.
Once done, lift the fish out carefully.
Serve with drawn butter sauce, egg sauce, Hollandaise, or Creole sauce.
Garnish with parsley and hard-boiled eggs.
Serve cold with tartar 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 their aromas overlap, and how often cooks already put them together.
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Vinegar + parsleytop 16% of all pairsSmell alikemoderateCooked together6,477 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Fish + parsleytop 18% of all pairsSmell alikelowCooked together2,341 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Fish + saucetop 20% of all pairsSmell alikelowCooked together1,487 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Parsley + eggtop 21% of all pairsSmell alikemoderateCooked together18,765 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Fish + eggtop 22% of all pairsSmell alikemoderateCooked together2,782 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Fish
- Is the main component that is gently cooked until tender and flaky.
- Vinegar
- Helps bleach the fish and gives it a slightly brighter flavour.
- Hard-boiled eggs
- Add richness and a mild, creamy flavour as a garnish.
The step that matters
Cook until tender. Simmering below a hard boil keeps the fish's proteins from tightening, so it stays moist and flakes cleanly instead of turning dry and rubbery.
Swap the parsley
How well each one fits the dish's main ingredients (fish, vinegar, egg, sauce):
- Capersfits better
- Tarragonfits better
- Parsleythe original
- Dillfits about as well
Fit is the average pairing score against fish, vinegar, egg, sauce. 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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