Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Carp Pie
Ingredients
Directions
The book says “a quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.
Prepare the fish
Scrape scales, gut, and wash the carp.
Boil the eel until almost tender, then pick and mince the meat.
Make the filling
Mix eel meat with bread crumbs, herbs, lemon peel, pepper, salt, nutmeg, anchovy, oysters, and egg yolks.
Roll the mixture with butter and fill the carp's belly.
Make the sauce
Save the eel liquor, boil it with bones, mace, pepper, onion, and herbs until reduced to ½ pint.
Strain the mixture, add white wine and butter mixed with flour, then boil again.
Assemble and bake
Make a crust to cover the dish and place the fish inside.
Pour the sauce into the pie, cover with the lid, and bake for 1 hour at 400°F (200°C).
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 + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Lemon + nutmegtop 5% of all pairsSmell alikestrongCooked together11,318 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
-
Pepper + nutmegtop 7% of all pairsSmell alikestrongCooked together13,015 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Anchovy + oystertop 8% of all pairsSmell alikemoderateCooked together603 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
- Carp
- Forms the main body of the pie and provides the flesh that cooks through in the crust.
- Eggs
- Egg yolks bind the minced filling so it holds together when cooked.
- Bread crumbs
- Absorb moisture and help give the filling a firm, cohesive texture.
- Oysters
- Add savoury, briny flavour and moisture to the filling.
- Flour
- Thickens the sauce with butter, giving it body when boiled.
- Butter
- Adds richness and fat, carrying flavour and helping the crust brown.
The step that matters
Boil the sauce after adding the flour and butter. Flour thickens only when heated past its starch-gelatinising point while stirred, so the sauce must boil again to reach full body and avoid a raw floury taste.
Swap the nutmeg
How well each one fits the dish's main ingredients (bread, lemon, pepper, anchovy, oyster, egg, butter):
- Parsleyfits better
- Capersfits about as well
- Thymefits about as well
- Nutmegthe original
Fit is the average pairing score against bread, lemon, pepper, anchovy, oyster, egg, butter. 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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