Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Buttered Fish
Ingredients
Directions
Prepare
Break the fish into small flakes and remove any bones.
Whisk the eggs until very light and frothy.
Cook
Melt the butter in a pan, then add the beaten eggs, pepper, and salt.
Stir until the mixture begins to thicken.
Add the fish and stir gently until it reaches a jelly-like consistency.
Serve
Heap the mixture on the hot toast, garnish with parsley and/or hard boiled egg, and 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 their aromas overlap, and how often cooks already put them together.
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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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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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Fish + milktop 13% of all pairsSmell alikemoderateCooked together1,432 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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Butter + parsleytop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eggs
- Set and thicken as they cook, binding the fish into a soft, spoonable mass.
- Butter
- Adds richness and fat, helping the eggs cook smoothly and carrying flavour.
- Milk
- Dilutes the eggs and keeps the mixture tender and creamy rather than dry.
- Cold cooked fish
- Provides the main body and savoury flavour of the dish.
The step that matters
Stir the eggs gently over moderate heat until they just thicken. Egg proteins set quickly and turn grainy or rubbery if overheated or stirred too hard. Stopping at a soft, creamy stage keeps the mixture smooth and tender, so the fish is folded in gently at the end.
Swap the parsley
How well each one fits the dish's main ingredients (fish, egg, butter, milk, pepper):
- Parsleythe original
- Nutmegfits about as well
- Tarragonfits less well
- Cinnamonfits less well
Fit is the average pairing score against fish, egg, butter, milk, pepper. 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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