Why it works: Parsley and shallot match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 3,737 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Chicken a LA Marengo
Ingredients
Directions
Brown the chicken
Heat oil in a stewpan and add chicken pieces with coarse sea salt.
Brown the chicken well in the oil.
When the chicken is half cooked, add sliced mushrooms and truffles.
Make the sauce
In another stewpan, combine chopped truffles, parsley, mushrooms, shallots, and butter.
Stir and let it stew for a few minutes.
Season with black pepper, salt, white wine, and oil from the chicken.
Serve
Serve the sauce hot under the chicken.
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 + shallottop 1% of all pairsSmell alikestrongCooked together3,737 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Chicken + mushroomtop 4% of all pairsSmell alikemoderateCooked together4,172 recipes
Shared aroma: 1-butyl acetate (fruity, banana).
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Mushroom + shallottop 4% of all pairsSmell alikemoderateCooked together1,982 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Mushroom + truffletop 4% of all pairsSmell alikemoderateCooked together1,900 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Chicken
- Provides the main protein; browning in oil builds savory flavor on the surface.
- Truffles
- Adds an intense earthy aroma that gives the sauce its distinctive character.
- Mushrooms
- Adds savory depth and moisture to the sauce as they release liquid while stewing.
- Shallots
- Softens into the sauce, adding mild sweetness and aromatic depth.
- White wine
- Adds acidity and lightness, helping lift and balance the savory sauce.
- Butter
- Adds richness and a smooth, rounded texture to the sauce.
The step that matters
Browning the chicken well. Browning creates flavorful browned surfaces through the Maillard reaction. Pale, under-browned pieces lack depth, and crowding the pan causes steaming instead of browning.
Swap the parsley
How well each one fits the dish's main ingredients (chicken, mushroom, truffle, butter, shallot, pepper, white wine):
- Thymefits better
- Tarragonfits about as well
- Garlicfits about as well
- Parsleythe original
Fit is the average pairing score against chicken, mushroom, truffle, butter, shallot, pepper, white wine. 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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