Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Fish, Curried
Ingredients
Directions
Prepare
Flake the cooked fish into large pieces.
Make the sauce
In a stewpan, heat the butter and fry the onion until lightly browned.
Sprinkle in the curry powder and flour, mixing until smooth.
Add the milk and bring to a boil for 5 to 6 minutes.
Finish and serve
Season with salt and a few drops of lemon juice.
Serve plain or with boiled rice.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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 + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Fish + milktop 13% of all pairsSmell alikemoderateCooked together1,432 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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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
- Cooked fish
- Forms the main body of the dish, providing flaked protein and texture.
- Milk
- Forms the liquid base of the sauce, giving it a creamy, smooth body.
- Butter
- Carries the flavour of the onion and spices and adds richness to the sauce.
- Curry powder
- Provides the main spiced aroma and flavour of the dish.
- Flour
- Thickens the milk into a smooth sauce when mixed with the fat.
- Onion
- Adds savoury sweetness and depth when browned in butter.
The step that matters
Mixing the curry powder and flour until smooth. Spices and flour must be stirred into the melted butter so no lumps form. Cooking them briefly in fat lets the flour absorb the fat evenly, so the milk thickens smoothly when added.
Swap the onion
How well each one fits the dish's main ingredients (fish, milk, butter, flour, lemon):
- Potatofits better
- Shallotfits better
- Arrowrootfits better
- Onionthe original
Fit is the average pairing score against fish, milk, butter, flour, lemon. 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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