Why it works: Cucumber and lettuce match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,409 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Combination Salad
Ingredients
Directions
Prepare
Slice the tomatoes and cucumbers.
Tear the lettuce into fine pieces, using the white, crisp leaves.
Cut the celery into half-inch pieces.
Slice the onion thinly or chop the green onions finely.
Assemble and serve
Arrange the ingredients in a salad dish in layers to show the green, white, and red.
Pour the mayonnaise dressing over the salad.
Serve very cold.
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.
-
Cucumber + lettucetop 1% of all pairsSmell alikestrongCooked together1,409 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Tomato + cucumbertop 4% of all pairsSmell alikemoderateCooked together2,405 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Lettuce + celerytop 4% of all pairsSmell alikestrongCooked together2,033 recipes
Shared aroma: nonanal (fat, citrus).
-
Tomato + celerytop 4% of all pairsSmell alikemoderateCooked together3,377 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Tomato + lettucetop 6% of all pairsSmell alikemoderateCooked together1,655 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
- Tomatoes
- Adds juiciness and a sharp, fresh acidity that brightens the salad.
- Cucumbers
- Contribute crisp texture and cooling moisture to the layers.
- Lettuce
- Forms the crisp, leafy base that gives the salad its body.
- Celery
- Adds crunch and a mild, fresh vegetal flavour.
- Onion
- Adds sharp aroma and pungency that mellows when chilled.
- Mayonnaise dressing
- Adds fat and creaminess, coating the vegetables with richness.
Swap the onion
How well each one fits the dish's main ingredients (tomato, cucumber, lettuce, celery):
- Mustardfits better
- Beetrootfits better
- Spinachfits better
- Onionthe original
Fit is the average pairing score against tomato, cucumber, lettuce, celery. 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.
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.
Tomato Salad179 recipes
Chicken Salad623 recipes
Salad Dressing491 recipes
Cold Slaw160 recipes