Why it works: Parsley and pepper 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 Halibut
Ingredients
Directions
The book gives no cooking times; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.
Prepare
Score the skin of the halibut deeply.
Place the halibut in a kettle on a strainer with the skin side down.
Cover with cold water and add a handful of coarse sea salt.
Cook
Heat slowly to avoid boiling too fast, skimming as needed.
Once it boils hard for a few minutes, reduce heat to simmer for 25 to 30 minutes.
Serve
Drain the halibut and serve garnished with grated horseradish and curled parsley, alongside egg sauce.
For leftovers, mince the cold halibut and season with salt, cayenne, sweet oil, minced egg yolk, and vinegar.
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 + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Horseradish + parsleytop 6% of all pairsSmell alikestrongCooked together562 recipes
Shared aroma: coumarin (sweet, hay).
-
Horseradish + peppertop 11% of all pairsSmell alikemoderateCooked together2,646 recipes
Shared aroma: coumarin (sweet, hay).
-
Horseradish + vinegartop 12% of all pairsSmell alikemoderateCooked together2,609 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Horseradish + saucetop 12% of all pairsSmell alikemoderateCooked together775 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Halibut
- Forms the main body of the dish; cooking firms its flaky protein into moist, tender pieces.
- Coarse sea salt
- Seasons the poaching water so the fish is seasoned as it cooks.
The step that matters
Heat slowly, then simmer gently. Bringing the water up slowly and keeping it at a simmer rather than a hard boil helps the fish cook evenly and stay tender instead of breaking apart or toughening.
Swap the horseradish
How well each one fits the dish's main ingredients (parsley, egg, sauce, pepper, vinegar):
- Capsicumfits better
- Shallotfits better
- Mustardfits about as well
- Horseradishthe original
Fit is the average pairing score against parsley, egg, sauce, pepper, vinegar. 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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