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
Prepare
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.
Stew
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).
-
Parsley + clovetop 6% of all pairsSmell alikestrongCooked together6,768 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
-
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.
- Butter
- Adds fat for browning the duck and bacon and carries flavour through the stew.
- Streaky bacon
- Renders fat and savoury flavour into the butter for browning the duck.
- All-purpose flour
- Browns in the fat and thickens the cooking liquid into a sauce.
- Small onions
- Soften during simmering and add sweetness to the sauce.
- Peas
- Add sweet, fresh flavour and colour to the finished dish.
The step that matters
Sprinkle the flour over the duck and stir well. Flour must be stirred into the hot fat so it cooks and does not form lumps. Cooking it briefly in the fat removes raw starch taste and lets it thicken the sauce evenly when the water is added.
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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