Why it works: Carrot and turnip are a kitchen classic. They rank in the top 2% of all ingredient pairs, and 8,001 recipes mention both. Both carry coumarin, which smells sweet, hay. The science ↓
The recipe
Ingredients
Contains: egg, milk, wheat, fish, shellfish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare the fish
Prepare stock with beef or veal, onion, carrot, and turnip.
Rub cod with salt overnight, removing scales but do not wash.
Wash cod clean, then pour boiling water over it to remove slime without breaking the skin.
Place cod in a pot of boiling water with salt and vinegar, ensuring it is fully submerged.
Boil for 30 to 40 minutes, then drain and place on a deep dish.
Glaze and brown the fish
Glaze cod with egg yolks, sprinkle with bread crumbs, lemon peel, pepper, and salt.
Dot with butter and place before a clear fire, adding more crumbs, lemon peel, and parsley while basting with butter.
Make the sauce and serve
Thicken stock with butter kneaded in flour, strain, and add oysters, oyster liquor, Madeira or sherry, lemon juice, and lobster meat.
Boil sauce for 5 minutes, skim, and pour half over the crisping 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 aroma chemistry they share, and how many recipes mention both.
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Carrot + turniptop 2% of all pairsAroma overlapmoderateMentioned together8,001 recipes
Shared aroma: coumarin (sweet, hay).
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Beef + oniontop 3% of all pairsAroma overlapmoderateMentioned together17,091 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + carrottop 4% of all pairsAroma overlapstrongMentioned together21,599 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + turniptop 4% of all pairsAroma overlapmoderateMentioned together7,584 recipes
Shared aroma: coumarin (sweet, hay).
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Beef + carrottop 5% of all pairsAroma overlapstrongMentioned together6,604 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Egg yolks form a glaze that sets and helps the crumb coating brown on the fish.
- Butter
- Melts over the fish and enriches the crumbs, aiding browning, and thickens the sauce with flour.
- Oysters
- Add briny, savoury flavour and a soft texture to the sauce.
- Madeira or sherry
- Adds sweetness and depth of flavour to the sauce.
- Lemon juice
- Adds acidity that brightens the rich sauce.
- Lobster meat
- Adds sweet, rich flavour and tender texture to the sauce.
The step that matters
Boiling the cod without breaking the skin. Boiling vigorously or too long can split the delicate skin and cause the fish to fall apart. Keeping the water at a gentle simmer and timing the boil keeps the fish whole and moist.
Flavor stand-ins for the lemon
How well each one fits the dish's main ingredients (beef, onion, carrot, turnip, vinegar, egg, bread):
- Appleabout as good a flavor fit
- Grapeabout as good a flavor fit
- Pumpkinabout as good a flavor fit
- Lemonthe original
Fit is the average pairing score against beef, onion, carrot, turnip, vinegar, egg, bread. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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