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 ↓
Boiled Codfish and Oyster Sauce
Ingredients
Directions
Prepare the fish
Soak the fish in cold salted water for 30 minutes before cooking.
Roll the fish in a clean cloth dredged with flour and sew the edges to fully envelope the fish.
Place the fish in boiling salted water with whole cloves, peppercorns, and lemon peel.
Cook and serve the fish
Gently pull on the fins; the fish is done when the fins come out easily.
Arrange the fish on a folded napkin and serve with oyster sauce.
Make the oyster sauce
Scald the oysters in hot oyster liquor, then remove them.
Add salt, pepper, mace, and butter to the liquor.
Whisk in milk mixed with flour, then simmer briefly.
Add the oysters and serve in a sauceboat.
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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Clove + peppertop 5% of all pairsSmell alikestrongCooked together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Clove + macetop 6% of all pairsSmell alikelowCooked together8,400 recipes
Shared aroma: methyleugenol (clove, spice).
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Oyster + fishtop 9% of all pairsSmell alikemoderateCooked together496 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Clove + lemontop 10% of all pairsSmell alikestrongCooked together8,150 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
- Codfish
- Forms the main body of the dish, cooking until it turns opaque and flakes easily.
- Oysters
- Add a briny, savoury flavour to the sauce, which is built on their liquor.
- Butter
- Adds richness and a smooth, rounded mouthfeel to the sauce.
- Milk
- Adds body and creaminess to the sauce, giving it a mild sweetness.
- Flour
- Thickens the milk and liquor into a sauce when whisked in and heated.
The step that matters
Whisking the milk and flour into the liquor. Flour lumps if it is added without being fully mixed into the milk first and whisked into the hot liquor. Simmering briefly cooks the starch so the sauce thickens smoothly and loses its raw floury taste.
Swap the mace
How well each one fits the dish's main ingredients (flour, clove, lemon, oyster, fish, pepper, butter):
- Parsleyfits better
- Nutmegfits better
- Marjoramfits better
- Macethe original
Fit is the average pairing score against flour, clove, lemon, oyster, fish, pepper, 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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