Why it works: Mushroom and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 12,525 recipes. Both carry trans-2-decenal, which smells waxy, orange. The science ↓
Pomfret Fillets
Ingredients
Directions
Prepare the fillets
Divide the pomfrets into fillets.
Season the fillets with onion, parsley, and mushroom trimmings.
Roll up the fillets to enclose the seasoning.
Poach and make the sauce
Simmer the fillets in court bouillon or broth made from their bones, stock, chablis, and vinegar until done.
Remove the fillets and strain the broth.
Thicken the broth in a bain-marie with flour, butter, and egg yolks.
Add quartered mushrooms, white pepper, and salt to the sauce.
Stir in cream before serving over the hot fillets.
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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Mushroom + buttertop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Onion + mushroomtop 10% of all pairsSmell alikemoderateCooked together10,626 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Parsley + mushroomtop 11% of all pairsSmell alikemoderateCooked together6,132 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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
- Egg yolks
- Thicken the sauce as they set gently over the bain-marie, giving it a rich, smooth body.
- Butter
- Adds richness and fat, rounding the flavour and smoothing the thickened sauce.
- Flour
- Thickens the broth into a sauce when cooked with the fat and liquid.
- Cream
- Adds richness and a softer, silkier texture to the finished sauce.
- Pomfrets
- The main fish, poached gently so the flesh stays moist and tender.
The step that matters
Thickening the sauce in the bain-marie. Egg yolks thicken at a low, steady heat and curdle if they get too hot. Keeping the bain-marie gentle and stirring constantly gives a smooth sauce rather than scrambled bits.
Swap the white pepper
How well each one fits the dish's main ingredients (onion, parsley, mushroom, vinegar, flour, butter, egg):
- Capersfits better
- Thymefits better
- Tarragonfits better
- White pepperthe original
Fit is the average pairing score against onion, parsley, mushroom, vinegar, flour, butter, egg. 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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