Name: Summer Salad
Ingredients: 1 head of lettuce, shredded; 2 tomatoes, diced; 1 cucumber, diced; 1 onion, diced; 4 radishes, diced; French dressing; mayonnaise

Why it works: Lettuce and cucumber 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 ↓

Summer Salad

Ingredients

Directions

Prepare

Shred the lettuce finely.
Dice the tomatoes, cucumber, onion, and radishes.

Assemble and serve

Mix the diced vegetables with French dressing.
Place the mixture in the center of the shredded lettuce.
Top with mayonnaise and serve.

Recipe from a historical cookbook (Internet Archive).

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.

Lettuce + cucumbertop 1% of all pairs

Smell alikestrong

Cooked together1,409 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Cucumber + radishtop 1% of all pairs

Smell alikestrong

Cooked together212 recipes

Shared aroma: eucalyptol (eucalyptus, herbal).
Lettuce + radishtop 2% of all pairs

Smell alikestrong

Cooked together58 recipes

Shared aroma: trans-2-hexenal (green, leafy).
Tomato + cucumbertop 4% of all pairs

Smell alikemoderate

Cooked together2,405 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Lettuce + tomatotop 6% of all pairs

Smell alikemoderate

Cooked 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

Lettuce: Forms the crisp, fresh bed that holds the vegetable mixture.
Tomatoes: Add juiciness and acidity that moisten the salad.
French dressing: Seasons the diced vegetables and adds tangy, sweet-sharp flavour.
Mayonnaise: Adds richness and fat that give a creamy finish.