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 ↓
Bercy Butter
Ingredients
Directions
Reduce the wine
Combine the white wine and chopped shallots in a small saucepan.
Reduce the wine by half over medium heat.
Make the butter
Cream the softened butter in a bowl.
Stir in the reduced wine mixture, parsley, poached beef marrow, salt, pepper, and lemon juice.
Do not completely melt the butter.
Serve
Serve with grilled beef.
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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Shallot + parsleytop 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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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Shallot + lemontop 6% of all pairsSmell alikestrongCooked together2,523 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Provides the fat and rich, creamy body that holds the flavorings together.
- White wine
- Reduced to concentrate its flavor and add acidity and aroma.
- Shallots
- Add a mild, sweet aromatic onion flavor once softened in the reducing wine.
- Beef marrow
- Adds richness and savory depth through its fat and meaty flavor.
The step that matters
Do not completely melt the butter. Creaming softened butter with the wine reduction makes a thick, spreadable emulsion. If the butter melts fully, it separates into greasy liquid fat and loses its body and smooth texture.
Swap the shallot
How well each one fits the dish's main ingredients (white wine, butter, parsley, beef, pepper, lemon):
- Shallotthe original
- Carrotfits about as well
- Potatofits about as well
- Capsicumfits less well
Fit is the average pairing score against white wine, butter, parsley, beef, pepper, lemon. 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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