Why it works: Butter and cream match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 41,494 recipes mention both. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
The recipe
Ingredients
Contains: egg, milk, wheat, fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare the fish
Boil the cod-fish and remove the bones.
Mince the fish and mix it with mashed potatoes in a ratio of one-third fish to two-thirds potatoes.
Season and shape
Season with butter and pepper, mixing until smooth.
If the mixture is dry, moisten with cream, milk, or a beaten egg yolk.
Form small cakes, sprinkle with flour, and fry in hot lard until golden brown.
Serve
Serve hot.
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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Butter + creamtop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Potato + peppertop 5% of all pairsAroma overlapstrongMentioned together8,303 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Fish + buttertop 5% of all pairsAroma overlapstrongMentioned together4,432 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Potato + buttertop 6% of all pairsAroma overlapstrongMentioned together6,445 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Fish + potatotop 6% of all pairsAroma overlapstrongMentioned together134 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
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 flavour and protein, bulked out by the potato.
- Mashed potatoes
- Adds bulk and soft texture, holding the cakes together while they fry.
- Butter
- Adds richness and smooth mouthfeel to the mixture.
- Flour
- Dusted on the cakes, it helps them brown well in the hot lard.
- Beaten egg yolk
- Adds moisture and richness when the mixture is dry, aiding binding.
The step that matters
Frying in hot lard until golden brown. The fat must be hot enough to brown the flour-dusted surface quickly. If the lard is too cool, the cakes absorb grease, turn soggy and may fall apart before they set.
Flavor stand-ins for the potato
How well each one fits the dish's main ingredients (fish, butter, pepper, cream, egg, flour):
- Potatothe original
- Asparagusabout as good a flavor fit
- Capsicumabout as good a flavor fit
Fit is the average pairing score against fish, butter, pepper, cream, egg, flour. 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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