Why it works: Tarragon and chervil match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 824 recipes. Both carry estragole, which smells anise, licorice. The science ↓
Italian Sauce for Salaos
Ingredients
Directions
Combine 3 tablespoons sauce tournde, 1 tablespoon mustard, and a little chopped tarragon and chervil in a bowl.
Blend well while gradually adding 3 tablespoons or more salad oil until smooth.
Slowly mix in 1 glass tarragon vinegar, ensuring it does not appear oily.
Add a little coarse sea salt to taste and pour over the salad.
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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Tarragon + cherviltop 1% of all pairsSmell alikestrongCooked together824 recipes
Shared aroma: estragole (anise, licorice).
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Mustard + tarragontop 1% of all pairsSmell alikestrongCooked together901 recipes
Shared aroma: methyleugenol (clove, spice).
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Mustard + cherviltop 1% of all pairsSmell alikestrongCooked together207 recipes
Shared aroma: methyleugenol (clove, spice).
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Tarragon + vinegartop 7% of all pairsSmell alikemoderateCooked together2,547 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Sauce tournde
- Forms the base of the dressing, giving it body and a savory flavor.
- Mustard
- Helps emulsify the oil and vinegar so the dressing stays smooth.
- Salad oil
- Provides fat and a silky, rich mouthfeel to the dressing.
- Tarragon vinegar
- Adds acidity and sharp flavor that balances the oil.
The step that matters
Adding the vinegar slowly. Pouring vinegar in too quickly can break the emulsion, so the dressing looks oily and separated instead of smooth. Mixing it in gradually keeps the oil suspended in the acidic liquid.
Swap the mustard
How well each one fits the dish's main ingredients (sauce, tarragon, chervil, vinegar):
- Shallotfits better
- Lettucefits about as well
- Mustardthe original
- Chivefits about as well
Fit is the average pairing score against sauce, tarragon, chervil, vinegar. 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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