Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Stewed Duck and Peas
Ingredients
Directions
Brown the duck
In a stewpan, melt the butter and add the chopped bacon.
Add the trussed duck and brown it on all sides.
Sprinkle the flour over the duck and stir well.
Simmer
Pour in the water and add the onions, parsley, bay leaf, and cloves.
Bring to a simmer and cook until the duck is tender.
Add the peas and simmer until cooked through.
Finish and serve
Remove the duck, discard the trussing strings, and strain the sauce.
Season the sauce with salt and pepper, then serve with the duck.
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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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Clove + peppertop 5% of all pairsSmell alikestrongCooked together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Parsley + clovetop 6% of all pairsSmell alikestrongCooked together6,768 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
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Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 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
- Duck
- Provides the main meat, which becomes tender through long, slow simmering.
- Bacon
- Adds fat and savory flavor to the pan as it renders and browns.
- Butter
- Adds fat for browning the duck and carries flavor into the sauce.
- All-purpose flour
- Thickens the cooking liquid into a light sauce as it is stirred into the fat.
- Onions
- Soften during simmering, adding sweetness and body to the sauce.
- Peas
- Add sweetness and a tender texture to the finished dish.
The step that matters
Browning the duck on all sides. Browning builds deep flavor through the Maillard reaction, which only happens on dry, hot surfaces. Crowding the pan or skipping sides leaves the meat pale and the sauce flat.
Swap the peas
How well each one fits the dish's main ingredients (butter, flour, onion, parsley, clove, pepper):
- Chickpeafits better
- Black-eyed peafits better
- Lentilsfits better
- Peasthe original
Fit is the average pairing score against butter, flour, onion, parsley, clove, 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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