Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Fillets of Mackerel Stewed in Wine
Ingredients
Directions
Prepare
Remove the flesh from the bones of the mackerel and cut into six equal pieces if large.
Melt the butter in a pan and add the flour, stirring for one minute.
Stew
Add the cayenne, salt, and lemon rind, then gently place the fish fillets in the pan.
Cook over low heat for 4 to 5 minutes, turning once.
Pour in the port wine, Harvey's sauce, soy sauce, and lemon juice, and stew until the fish begins to break apart.
Serve
Stir the mustard into the sauce before serving.
Carefully lift the fillets out, place on a dish, and serve with the sauce hot.
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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Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Pepper + mustardtop 9% of all pairsSmell alikemoderateCooked together15,430 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Lemon + mustardtop 11% of all pairsSmell alikestrongCooked together3,816 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Flour + mustardtop 13% of all pairsSmell alikemoderateCooked together5,066 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
- Mackerel
- Provides the main protein, which becomes tender and flakes as it stews in the sauce.
- Butter
- Carries flavour and enriches the sauce, giving it a rich, smooth body.
- Flour
- Thickens the butter and wine sauce as it cooks, giving it body.
- Port wine
- Forms the stewing liquid, adding sweetness and depth of flavour to the sauce.
The step that matters
Stewing the fish gently. Over high heat the fillets can toughen and fall apart before the sauce develops. Low heat and careful turning keep the flesh intact while the fish cooks through.
Swap the mace
How well each one fits the dish's main ingredients (butter, flour, lemon, pepper, port wine, sauce, mustard):
- Capersfits better
- Tarragonfits better
- Parsleyfits better
- Macethe original
Fit is the average pairing score against butter, flour, lemon, pepper, port wine, sauce, mustard. 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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