Why it works: Butter and apple are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 8,706 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Mutton Curry
Ingredients
Directions
Prepare
Heat the butter in a saucepan until very hot.
Add the mutton pieces and fry until slightly browned, then remove them.
Fry the onion and curry powder in the same pan.
If using carrots, tomatoes, or apples, fry them separately in a little extra butter.
Simmer
Return the fried meat to the saucepan with the onion and curry, adding the vegetables if using.
Pour in the stock slowly and let it simmer for two hours, adding more stock if it gets too dry.
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 + appletop 14% of all pairsSmell alikemoderateCooked together8,706 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Onion + buttertop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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Mutton + buttertop 16% of all pairsSmell alikemoderateCooked together3,781 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Mutton + oniontop 18% of all pairsSmell alikelowCooked together4,531 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Onion + appletop 19% of all pairsSmell alikemoderateCooked together3,206 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Mutton
- Provides the main meat, which becomes tender during the long simmer.
- Onion
- Builds a sweet, savoury base as it softens in the butter.
- Curry powder
- Supplies the spiced aroma that defines the dish.
- Stock
- Forms the liquid that cooks the meat slowly and makes the sauce.
- Butter
- Carries the spices and adds richness while frying.
The step that matters
Frying the curry powder with the onion. Spices bloom and release their aroma when fried in hot fat, but they can scorch and turn bitter if the pan is too hot or they are left unstirred. Keep the heat moderate and keep the mixture moving.
Swap the apple
How well each one fits the dish's main ingredients (mutton, onion, butter):
- Coconutfits better
- Grapefits about as well
- Pumpkinfits about as well
- Applethe original
Fit is the average pairing score against mutton, onion, butter. 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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