Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Sauce for Duck or Rabbit
Ingredients
Directions
Make the sauce
Combine cream and butter in a saucepan.
Cook over medium heat until thickened.
Add onion, parsley, lettuce, gravy, and the butter-flour mixture to a pot.
Season with lemon juice, pepper, and salt.
Stew for 30 minutes.
Stir in red wine and cook for an additional minute.
Serve
Place the duck or rabbit in a serving dish and pour the sauce over it.
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 + lemontop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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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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Parsley + lettucetop 5% of all pairsSmell alikestrongCooked together1,483 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Onion + lettucetop 8% of all pairsSmell alikestrongCooked together3,562 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
- Cream
- Adds richness and body, helping the sauce turn smooth and thick.
- Butter
- Adds fat and flavour, and with flour helps thicken the sauce.
- Flour
- Thickens the sauce when cooked with butter into a paste.
- Gravy
- Supplies savoury depth and liquid to the sauce.
- Red wine
- Adds acidity and aroma that deepen the flavour of the sauce.
The step that matters
Cook the butter-flour mixture into the sauce. Flour thickens only when heated enough to swell its starch. Adding it without stirring can leave lumps, and a long simmer helps the starch fully thicken and smooth the sauce.
Swap the onion
How well each one fits the dish's main ingredients (cream, butter, parsley, lettuce, flour, lemon, pepper):
- Spinachfits better
- Shallotfits better
- Leekfits better
- Onionthe original
Fit is the average pairing score against cream, butter, parsley, lettuce, flour, 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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