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 ↓
Boiled Trout or Muscallonge
Ingredients
Directions
Poach the fish
Wash the fish and wrap it in a clean cloth.
Place the wrapped fish in boiling water with dissolved salt and boil hard for 10 minutes.
Drain the fish and return it to boiling water, cooking gently until tender.
Remove the skin and bones, keeping the shape of the fish intact.
Make the sauce
For the sauce, stir the butter until creamy.
Add the egg yolks, boiling water, cayenne pepper, and salt; cook until thickened.
Serve
Pour the sauce over the fish and garnish with chopped parsley or lemon slices.
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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Fish + buttertop 12% of all pairsSmell alikemoderateCooked together4,488 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + parsleytop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Large fish (trout or muscallonge)
- Forms the main body of the dish; firm flesh holds its shape during gentle poaching.
- Butter
- Adds richness and a smooth, creamy texture to the sauce.
- Egg yolks
- Thicken the sauce as they cook, giving it a smooth, coating body.
The step that matters
Cooking the sauce until thickened. Egg yolks set when heated, but if they get too hot they scramble and curdle. Cook gently and stir so the sauce thickens smoothly.
“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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