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 ↓
Duck Stewed
Ingredients
Directions
Prepare the duck
Lard the duck if desired and half roast it.
Stew
Place the duck in a stewpan with gravy, wine, onion, lemon peel, cayenne, and salt.
Stew gently, covered, until tender.
Finish the sauce and serve
Remove the duck, skim the sauce, and boil it quickly.
Pour the sauce over the duck and add truffles and morels if desired.
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).
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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Red wine + peppertop 15% of all pairsSmell alikemoderateCooked together2,075 recipes
Shared aroma: ethyl 2-methylbutyrate (fruity, apple).
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Red wine + oniontop 17% of all pairsSmell alikemoderateCooked together2,075 recipes
Shared aroma: gamma-nonanolactone (coconut, sweet).
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Onion + lemontop 19% of all pairsSmell alikemoderateCooked together15,646 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Duck
- Provides the main meat, which becomes tender through slow, covered stewing.
- Gravy
- Forms the liquid base of the sauce and carries the flavour through the stew.
- Red wine
- Adds acidity and depth to the sauce as it reduces during boiling.
- Onion or shallot
- Contributes savoury sweetness and aromatic flavour to the sauce.
The step that matters
Boiling the sauce quickly after skimming. Rapid boiling reduces and concentrates the liquid, so the sauce thickens and gains flavour. Skimming first removes surface fat that would otherwise leave the sauce greasy.
Swap the onion
How well each one fits the dish's main ingredients (red wine, lemon, pepper):
- Tomatofits better
- Capsicumfits better
- Shallotfits better
- Onionthe original
Fit is the average pairing score against red wine, lemon, pepper. 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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