Why it works: Port wine and vinegar work together. They rank in the top 11% of all ingredient pairs, and cooks put them together in 598 recipes. Both carry 4-ethyl-2-methoxyphenol, which smells smoky, clove. The science ↓
Stewed Cod Fish, in Brown Sauce
Ingredients
Directions
Prepare and fry the fish
Remove the skin from the fish and dust it with flour.
Fry the fish quickly in hot oil until golden brown, then drain on a sieve.
Stew the fish
Place the fish in a clean stewpan and cover with boiling brown gravy.
Add the port wine or claret, chili vinegar or lemon juice, cayenne, and salt.
Stew the fish gently until it begins to break apart.
Carefully lift the fish onto a hot serving dish.
Finish the sauce and serve
In the gravy, stir in the butter kneaded with flour and a little pounded mace.
Boil the sauce for one minute, then pour it over the fish and serve immediately.
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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Port wine + vinegartop 11% of all pairsSmell alikemoderateCooked together598 recipes
Shared aroma: 4-ethyl-2-methoxyphenol (smoky, clove).
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Fish + buttertop 12% of all pairsSmell alikemoderateCooked together4,488 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Port wine + buttertop 13% of all pairsSmell alikemoderateCooked together1,499 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Vinegar + peppertop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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
- Firm white fish that holds its shape during frying, then softens and flakes when stewed.
- Flour
- Dusting coats the fish so it browns during frying, and kneaded with butter it thickens the sauce.
- Butter
- Adds richness and body to the sauce, giving it a smooth, glossy finish when stirred in.
- Port wine or claret
- Adds depth and a fruity, tannic sharpness to the gravy.
- Chili vinegar or lemon juice
- Acidity brightens the rich gravy and balances the wine and butter.
The step that matters
Stew the fish gently until it begins to break apart. Fish proteins set and toughen with prolonged or vigorous heat, and the gravy should only simmer gently. Stewing too hard makes the flesh dry and ragged, while stopping too early leaves it firm rather than tender.
Swap the mace
How well each one fits the dish's main ingredients (fish, flour, port wine, vinegar, pepper, butter):
- Tarragonfits better
- Parsleyfits better
- Capersfits better
- Macethe original
Fit is the average pairing score against fish, flour, port wine, vinegar, 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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