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 ↓
Haddock Stewed in Milk
Ingredients
Directions
Prepare the fish
Cut the haddock into strips, season lightly with salt and pepper, then roll up and tie.
Poach
Place the fish in an enamelled stewpan and cover with milk and a little white stock.
Add a small bunch of parsley and simmer until the fish is tender.
Make the sauce and serve
Remove the fish and thicken the liquid with a mixture of butter and flour kneaded together.
Stir the thickened mixture into the sauce, then pour it through a sieve over the fish.
Garnish with parsley before serving.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Parsley + flourtop 12% of all pairsSmell alikemoderateCooked together16,675 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 14% of all pairsSmell alikelowCooked together78,219 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Haddock
- Forms the main body of the dish and becomes tender through gentle simmering.
- Milk
- Forms the poaching liquid and, with the thickener, becomes the creamy sauce.
- Butter
- Enriches the sauce with fat and flavour when kneaded with flour.
- Flour
- Thickens the poaching liquid into a smooth sauce when kneaded with butter.
The step that matters
Thickening the sauce with butter and flour. Flour must be fully worked into the butter before it goes into the liquid, and the liquid should be simmering gently. Lumps form if the flour is added raw or too hot, while the starch needs heat to swell and thicken the sauce evenly.
Swap the parsley
How well each one fits the dish's main ingredients (haddock, pepper, milk, butter, flour):
- Nutmegfits about as well
- Parsleythe original
- Cinnamonfits about as well
- Turmericfits about as well
Fit is the average pairing score against haddock, pepper, milk, butter, flour. 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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