Why it works: Lettuce and watercress match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 307 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
French Salad Dressing
Ingredients
Directions
Prepare
Chop the lettuce, mustard leaves, watercress, radishes, and cucumber.
Slice the hard-boiled eggs.
Combine and serve
In a large bowl, combine all the chopped vegetables and eggs.
Add sugar, salt, pepper, prepared mustard, vinegar, and oil, then mix well.
Serve with a lump of ice in the middle.
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.
Photo for illustrative purposes only · Contact us to use it
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 + watercresstop 1% of all pairsSmell alikestrongCooked together307 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).
-
Lettuce + cucumbertop 1% of all pairsSmell alikestrongCooked together1,409 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Radish + cucumbertop 1% of all pairsSmell alikestrongCooked together212 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Mustard + watercresstop 1% of all pairsSmell alikestrongCooked together293 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
- Vinegar
- Provides the sharp acidity that defines a French-style dressing.
- Oil
- Adds fat and a smooth, rich mouthfeel that carries the dressing's flavour.
- Prepared mustard
- Adds sharpness and helps emulsify the oil and vinegar.
- Hard-boiled eggs
- Add richness and body to the salad.
Swap the radish
How well each one fits the dish's main ingredients (lettuce, mustard, watercress, cucumber, egg, sugar, pepper):
- Horseradishfits better
- Beetrootfits better
- Chivefits better
- Radishthe original
Fit is the average pairing score against lettuce, mustard, watercress, cucumber, egg, sugar, pepper. 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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