Why it works: Parsley and spinach match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 1,025 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓
Parsley Sauce
Ingredients
Directions
Strip the leaves from the stalks of fresh green parsley and chop them slightly.
In a saucepan, melt the butter until hot.
Stir the chopped parsley into the hot butter until it looks very green.
For improved appearance, stir in some spinach juice before serving.
Serve with boiled fowl, rabbits, or fish.
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 + spinachtop 5% of all pairsSmell alikestrongCooked together1,025 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Parsley + buttertop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Butter + spinachtop 24% of all pairsSmell alikemoderateCooked together2,583 recipes
Shared aroma: trans-2-decenal (waxy, orange).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the spinach
The recipe marks spinach as optional. How well each one fits the dish's main ingredients (parsley, butter):
- Shallotfits better
- Carrotfits better
- Potatofits better
- Spinachthe original
Fit is the average pairing score against parsley, butter. Candidates are from the same food group and used in at least 100 recipes.
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