Why it works: Chervil and tarragon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 795 recipes mention both. Both carry estragole, which smells anise, licorice. The science ↓
The recipe
Ingredients
Contains: fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Prepare
Cut the salted herring fillets into thin slices.
Assemble and serve
Arrange the herring slices and cold boiled potato slices in alternating rows on a serving dish.
Drizzle with oil and vinegar.
Top with chopped chervil, fennel, tarragon, and shallots.
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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Chervil + tarragontop 1% of all pairsAroma overlapstrongMentioned together795 recipes
Shared aroma: estragole (anise, licorice).
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Fennel + tarragontop 1% of all pairsAroma overlapstrongMentioned together132 recipes
Shared aroma: 4-methoxybenzaldehyde (sweet, anise).
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Chervil + shallottop 2% of all pairsAroma overlapstrongMentioned together266 recipes
Shared aroma: coumarin (sweet, hay).
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Tarragon + shallottop 2% of all pairsAroma overlapstrongMentioned together492 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Chervil + fenneltop 4% of all pairsAroma overlapstrongMentioned together67 recipes
Shared aroma: estragole (anise, licorice).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Salted herring fillets
- Provides the main savory, salty flavor and the fish that defines the salad.
- Cold boiled potatoes
- Adds body and a mild starchy base that soaks up the dressing.
- Oil
- Adds richness and carries flavor across the herring and potatoes.
- Vinegar
- Adds acidity that brightens the salty fish and balances the oil.
- Chopped shallots
- Adds sharp, mild onion aroma that cuts through the fish.
Flavor stand-ins for the potato
How well each one fits the dish's main ingredients (vinegar, chervil, fennel, tarragon, shallot):
- Chivebetter flavor fit
- Mustardbetter flavor fit
- Lettucebetter flavor fit
- Potatothe original
Fit is the average pairing score against vinegar, chervil, fennel, tarragon, shallot. 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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