Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
How to Cook Cod-fish
Ingredients
Directions
Prepare the fish
Remove skin and bones from the cod fish and cut it into fine pieces.
Soak the fish in cold water overnight, or in lukewarm water for 1–2 hours if needed for dinner.
Drain the water and place the fish in a stew pan, covering it with enough cream or milk.
Soak the thickest part of the fish in sweet skimmed milk for two days, changing the milk twice.
Cook
Bring to a boil and thicken with flour.
Add butter if using milk.
Roll the fish in flour and fry until golden brown.
Scald a teacup of thick sweet cream without boiling and pour it over the fish.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + creamtop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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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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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Fish + milktop 13% of all pairsSmell alikemoderateCooked together1,432 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
Flour and butter barely smell alike, yet cooks put them together in 124,287 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
- Cod fish
- Provides the main body of the dish, becoming tender and flaky when cooked.
- Sweet skimmed milk
- Softens the fish during soaking and adds a mild, creamy liquid for the sauce.
- Flour
- Thickens the liquid and forms a golden crust when the fish is fried.
- Butter
- Adds richness and flavour to the sauce.
- Thick sweet cream
- Adds richness and a smooth, velvety texture poured over the fish.
The step that matters
Scald the cream without boiling. Boiling thick cream can cause it to separate and turn grainy or oily, so it should be heated just until steaming and poured over the fish while still hot.
“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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