Why it works: Walnut and lettuce 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 ↓
Nut, Salad
Ingredients
Directions
Break the nuts into small pieces.
Take twice as much celery as nuts and mix them together.
Add mayonnaise dressing to the mixture.
Serve the salad on lettuce leaves.
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.
-
Walnut + lettucetop 1% of all pairsSmell alikestrongCooked together491 recipes
Shared aroma: trans-2-hexenal (green, leafy).
-
Celery + lettucetop 4% of all pairsSmell alikestrongCooked together2,033 recipes
Shared aroma: nonanal (fat, citrus).
-
Walnut + butternuttop 5% of all pairsSmell alikestrongCooked together15 recipes
Shared aroma: coumarin (sweet, hay).
-
Walnut + celerytop 6% of all pairsSmell alikestrongCooked together852 recipes
Shared aroma: alpha-pinene (pine, turpentine).
-
Walnut + peanuttop 6% of all pairsSmell alikestrongCooked together241 recipes
Shared aroma: 2-undecenal (sweet).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the butternut
How well each one fits the dish's main ingredients (walnut, peanut, celery, lettuce):
- Cashew nutfits better
- Sesamefits better
- Lentilsfits better
- Butternutthe original
Fit is the average pairing score against walnut, peanut, celery, lettuce. Candidates are from the same food group and used in at least 100 recipes.
More nut salad recipes
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.

Chicken Salad623 recipes
Salad Dressing491 recipes
Tomato Salad179 recipes
Cold Slaw160 recipes