Why it works: Butter and milk 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 ↓
Prawns, Curried
Ingredients
Directions
Make the curry sauce
In a hot pan, brown the onion in the butter.
Stir in the curry powder and flour, cooking slowly for 5 minutes.
Add the milk and stir until it boils, then cover and let simmer gently for 30 minutes.
Finish and serve
Add the prawns and lemon juice, season to taste, and cook gently for 10 minutes.
Serve 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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Milk + ricetop 7% of all pairsSmell alikemoderateCooked together7,374 recipes
Shared aroma: 2-nonenal (fatty, green).
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Onion + ricetop 9% of all pairsSmell alikemoderateCooked together10,433 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Lemon + ricetop 12% of all pairsSmell alikemoderateCooked together4,366 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 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
- Prawns
- Provide the main protein, which firms and turns opaque as it cooks.
- Butter
- Carries the curry flavour and cooks the onion gently for a rich base.
- Curry powder
- Supplies the spiced aroma and colour that define the dish.
- Flour
- Thickens the milk into a smooth, coating sauce.
- Milk
- Forms the liquid body of the sauce, giving it creaminess.
The step that matters
Simmer the milk sauce gently. Once the milk boils, the flour-thickened sauce can scorch on the base or catch if left unstirred. Gentle simmering keeps it smooth and evenly thickened before the prawns go in.
Swap the onion
How well each one fits the dish's main ingredients (butter, flour, lemon, milk, rice):
- Arrowrootfits better
- Asparagusfits better
- Leekfits better
- Onionthe original
Fit is the average pairing score against butter, flour, lemon, milk, rice. 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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