Why it works: Lettuce and chervil match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 396 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Lettuce Salads
Ingredients
Directions
Prepare the lettuce
Trim off the outer leaves of the lettuce and wash the heads in cold water.
Trim the leaves and drain them on a salad strainer.
Before using, drain them on a napkin without pressing the leaves.
Dress and serve
Put the leaves in a salad bowl and season with salt, pepper, sweet oil, and vinegar.
Dress the salad only when ready to serve.
For a mustard dressing, mash the yolk of a hard boiled egg in a bowl, dilute with oil and vinegar, and add mustard, salt, and pepper.
Pour the dressing over the lettuce and mix gently with a wooden spoon and fork.
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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Lettuce + cherviltop 1% of all pairsSmell alikestrongCooked together396 recipes
Shared aroma: coumarin (sweet, hay).
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Lettuce + mustardtop 1% of all pairsSmell alikestrongCooked together1,356 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Mustard + cherviltop 1% of all pairsSmell alikestrongCooked together207 recipes
Shared aroma: methyleugenol (clove, spice).
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Mustard + oniontop 6% of all pairsSmell alikestrongCooked together9,259 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Vinegar + mustardtop 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
- Lettuce
- Forms the leafy base, and its crispness depends on being dried well before dressing.
- Sweet oil
- Carries flavour and coats the leaves, giving them a smooth, glossy mouthfeel.
- Vinegar
- Adds acidity that brightens the salad and balances the richness of the oil.
The step that matters
Dress the salad only when ready to serve. Salt and acid draw water out of lettuce leaves, so dressing early makes them limp and soggy. Leaves that are thoroughly dried and dressed at the last moment stay crisp.
Swap the mustard
The recipe marks mustard as optional. How well each one fits the dish's main ingredients (lettuce, pepper, vinegar, egg, onion, sugar, chervil):
- Chivefits about as well
- Mustardthe original
- Beetrootfits about as well
- Shallotfits about as well
Fit is the average pairing score against lettuce, pepper, vinegar, egg, onion, sugar, chervil. 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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