Why it works: Lemon and parsley 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 ↓
Chestnut Soup
Ingredients
Directions
Prepare the chestnuts
Boil the chestnuts in salted water for 20 minutes, then peel and chop them finely.
In a saucepan, combine the chopped chestnuts, water, lemon rind, sugar, and salt. Cook gently for 30 minutes.
Rub the mixture through a fine sieve back into the saucepan.
Finish the soup
Add the white stock, chopped parsley, and pepper. Simmer gently for 20 minutes, stirring constantly.
Pass the soup again through a sieve and serve with dry toast.
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.
Photo for illustrative purposes only · Contact us to use it
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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Lemon + parsleytop 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).
-
Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Chestnut + parsleytop 7% of all pairsSmell alikestrongCooked together313 recipes
Shared aroma: coumarin (sweet, hay).
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Chestnut + lemontop 11% of all pairsSmell alikestrongCooked together381 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Chestnuts
- Form the body of the soup, giving it thickness and a mellow, starchy flavour.
- White stock
- Provides the liquid base and savoury depth for the soup.
- Sugar
- Adds a little sweetness to balance the savoury stock and chestnuts.
- Lemon rind
- Adds bright aroma that lifts the rich chestnut flavour.
The step that matters
Rubbing the chestnut mixture through a fine sieve. Pushing the cooked chestnuts through a fine sieve breaks down their starch-rich cell walls into a smooth purée. Skipping or rushing this leaves a grainy texture that no later simmering can fix.
Swap the chestnut
How well each one fits the dish's main ingredients (lemon, sugar, parsley, pepper):
- Chickpeafits better
- Black-eyed peafits about as well
- Pistachiofits about as well
- Chestnutthe original
Fit is the average pairing score against lemon, sugar, parsley, 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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