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 ↓
Fillet of Shad, with Puree of Sorrel
Ingredients
Directions
Prepare the fish
Sprinkle the shad pieces with salt, lemon juice, and parsley.
In a saucepan, cook the shad on low heat for 15 minutes with white wine and 1 tablespoon of butter.
Make the sorrel sauce
Blanch the sorrel in boiling water, then drain and press through a sieve.
In another saucepan, melt 1 tablespoon of butter, add flour, salt, pepper, and nutmeg, and cook until slightly colored.
Stir in the sorrel puree and cream, and simmer gently for 10 minutes.
Mix the egg yolks with a little milk, then add to the sauce and boil for 5 more minutes.
Serve
Pour the sauce over the fish and serve.
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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Lemon + parsleytop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Parsley + sorreltop 2% of all pairsSmell alikestrongCooked together234 recipes
Shared aroma: coumarin (sweet, hay).
-
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 + nutmegtop 3% of all pairsSmell alikestrongCooked together5,062 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Shad
- Is the main protein, cooked gently in wine and butter so it stays moist.
- Sorrel
- Its puree gives the sauce its tart, green flavour and body.
- Butter
- Adds richness and carries flavour in both the fish and the sauce base.
- Flour
- Cooked with butter to form a roux that thickens the sauce.
- Cream
- Adds richness and smoothness, softening the sorrel's sharpness.
- Egg yolks
- Thicken the sauce further and add richness when gently heated.
The step that matters
Adding the egg yolks. Egg yolks thicken by coagulating with heat, so if the sauce is at a hard boil when they go in, they can scramble and turn grainy. Keep the heat gentle and the sauce smooth.
Swap the nutmeg
How well each one fits the dish's main ingredients (lemon, parsley, white wine, butter, sorrel, flour, pepper):
- Tarragonfits better
- Thymefits better
- Marjoramfits better
- Nutmegthe original
Fit is the average pairing score against lemon, parsley, white wine, butter, sorrel, flour, 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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