Why it works: Mustard and capers match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 624 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Vegetable Salad, Parisian Style
Ingredients
Directions
Make the dressing
Rub the yolks of the hard-boiled eggs through a fine sieve into a bowl.
Add the anchovy paste and French mustard, then mix well with a wooden spoon.
Slowly dilute the mixture with oil and vinegar.
Assemble and serve
In a separate bowl, combine the sliced beet, celeriac root, potatoes, and pickles.
Season with coarse sea salt and black pepper.
Add the dressing along with finely cut tarragon and rampion, then mix everything together.
Transfer the salad to a serving bowl and arrange it nicely.
Garnish with the chopped whites and yolks of the hard-boiled eggs, capers, and stuffed olives.
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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Mustard + caperstop 1% of all pairsSmell alikestrongCooked together624 recipes
Shared aroma: coumarin (sweet, hay).
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Tarragon + caperstop 1% of all pairsSmell alikestrongCooked together379 recipes
Shared aroma: coumarin (sweet, hay).
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Mustard + tarragontop 1% of all pairsSmell alikestrongCooked together901 recipes
Shared aroma: methyleugenol (clove, spice).
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Pepper + tarragontop 5% of all pairsSmell alikestrongCooked together2,399 recipes
Shared aroma: estragole (anise, licorice).
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Mustard + potatotop 7% of all pairsSmell alikemoderateCooked together1,340 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Form a rich, smooth base that emulsifies with the oil and thickens the dressing.
- Anchovy paste
- Adds a salty, savoury depth to the dressing.
- French mustard
- Helps emulsify the dressing and adds a sharp, tangy bite.
- Oil
- Provides fat and body, giving the dressing its creamy, coating texture.
- Vinegar
- Adds acidity that brightens the dressing and balances the richness of the oil.
- Celeriac root
- Provides a firm, crisp texture and a mild celery-like flavour to the salad.
The step that matters
Slowly dilute the mixture with oil and vinegar. Adding the oil gradually lets the yolk and mustard emulsify into a stable, smooth dressing. Pouring it in too fast can cause it to separate and turn greasy.
Swap the potato
How well each one fits the dish's main ingredients (egg, anchovy, mustard, vinegar, pepper, tarragon, capers):
- Shallotfits better
- Lettucefits better
- Horseradishfits better
- Potatothe original
Fit is the average pairing score against egg, anchovy, mustard, vinegar, pepper, tarragon, capers. 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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