Why it works: Parsley and thyme match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 9,057 recipes mention both. Both carry cuminaldehyde, which smells Spicy, cumin. The science ↓
The recipe
Ingredients
Contains: fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare
Clean the sole and remove the skin from the back.
Poach the fish
In a fish kettle, combine parsley, thyme, bay leaf, onions, salt, pepper, and enough water to cover the fish.
Add the fish and boil gently until cooked through.
Carefully remove the fish without breaking it and serve warm with maitre d'hotel sauce.
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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Parsley + thymetop 1% of all pairsAroma overlapstrongMentioned together9,057 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
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Parsley + peppertop 2% of all pairsAroma overlapstrongMentioned together34,118 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Thyme + peppertop 3% of all pairsAroma overlapstrongMentioned together11,585 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Thyme + oniontop 5% of all pairsAroma overlapmoderateMentioned together11,172 recipes
Shared aroma: coumarin (sweet, hay).
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Parsley + oniontop 6% of all pairsAroma overlapstrongMentioned together25,834 recipes
Shared aroma: coumarin (sweet, hay).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sole
- Forms the main body of the dish, cooking into moist, flaky flesh during poaching.
- Onions
- Add aromatic sweetness and savour to the poaching liquid, flavouring the fish.
The step that matters
Boil gently until cooked through. Vigorous boiling agitates delicate fish flesh and causes it to break apart and toughen. A gentle simmer cooks the proteins evenly, keeping the fillets moist and intact.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (parsley, thyme, pepper, fish):
- Carrotbetter flavor fit
- Potatobetter flavor fit
- Tomatobetter flavor fit
- Onionthe original
Fit is the average pairing score against parsley, thyme, pepper, fish. 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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