Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Salt Cod
Ingredients
Directions
Prepare the fish
Soak the salt fish in water overnight with vinegar to reduce saltiness.
The next day, boil the fish until cooked, then flake it into a dish.
Serve
Pour egg-sauce over the fish or serve with boiled and mashed parsnips mixed with butter and cream.
Serve immediately on a warm plate.
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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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sauce + creamtop 9% of all pairsSmell alikemoderateCooked together4,787 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Fish + buttertop 12% of all pairsSmell alikemoderateCooked together4,488 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Sauce + buttertop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Egg + buttertop 17% of all pairsSmell alikemoderateCooked together118,967 recipes
Shared aroma: decanal (soap, orange peel).
Sauce and butter barely smell alike, yet cooks put them together in 15,338 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Salt fish
- Provides the main protein; soaking draws out salt so the fish is milder and edible.
- Vinegar
- Added to the soaking water to help reduce the saltiness of the fish.
- Parsnips
- Boiled and mashed, they supply a soft, sweet base to serve alongside the fish.
- Butter
- Mixed into the mashed parsnips to add fat, richness and smoothness.
- Cream
- Mixed into the mashed parsnips to add moisture and a creamy texture.
The step that matters
Soaking the salt fish overnight. Salt fish must be soaked long enough to draw out excess salt, because salt is absorbed into the flesh and cannot be removed by a quick rinse. Changing the water helps the salt diffuse out, leaving the fish milder and better seasoned for the dish.
Swap the parsnip
How well each one fits the dish's main ingredients (fish, vinegar, egg, sauce, butter, cream):
- Horseradishfits better
- Shallotfits better
- Mustardfits better
- Parsnipthe original
Fit is the average pairing score against fish, vinegar, egg, sauce, butter, cream. 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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