Why it works: Lettuce and walnut match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 491 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓
Walnut Salad
Ingredients
Directions
Prepare
Arrange lettuce leaves into a nest on a salad plate.
Place orange slices (cut into quarters) and English walnut halves on the lettuce.
Drizzle a thin layer of mayonnaise dressing over each piece and serve.
Toss and serve
Chop the lettuce and the egg whites separately, not too finely.
Toss lightly together and sprinkle with chopped walnuts and coarsely chopped egg yolks.
Pour any good salad dressing over the mixture and serve on crisp lettuce.
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 + walnuttop 1% of all pairsSmell alikestrongCooked together491 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Lettuce + orangetop 11% of all pairsSmell alikemoderateCooked together373 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Orange + walnuttop 12% of all pairsSmell alikemoderateCooked together1,058 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
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Walnut + eggtop 23% of all pairsSmell alikemoderateCooked together6,037 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lettuce + eggtop 30% of all pairsSmell alikelowCooked together3,301 recipes
Shared aroma: nonanal (fat, citrus).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- English walnuts
- Add crunch and a rich, nutty fat that contrasts with the soft fruit.
- Orange slices
- Add juicy acidity and sweetness that brighten the salad.
- Hard-boiled eggs
- Add a soft, creamy texture and body from the chopped yolks and whites.
- Mayonnaise dressing
- Adds fat and creaminess that coats the leaves and other ingredients.
- Lettuce leaves
- Provide a crisp, cool base that holds the other ingredients.
The step that matters
Drizzle only a thin layer of mayonnaise dressing. Dressing is mostly oil and water-based liquid. Too much of it soaks into the lettuce and draws out moisture, so the leaves wilt and turn soggy. A thin coating keeps the lettuce crisp.
Swap the orange
How well each one fits the dish's main ingredients (lettuce, walnut, egg):
- Avocadofits better
- Figfits better
- Cherryfits better
- Orangethe original
Fit is the average pairing score against lettuce, walnut, egg. 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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