Name: Summer Salad
Ingredients: 1 medium head of lettuce; 12 red radishes; 1 cucumber; 6 young onions; 2 hard-boiled eggs; salad dressing of your choice

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

Wash and tear the lettuce leaves into a salad bowl.
Cut the radishes, cucumber, and young onions into small pieces and arrange them on the lettuce.
Slice the hard-boiled eggs and place them on top.

Dress and serve

Pour your preferred salad dressing over the salad before serving.

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).
Radish + cucumbertop 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).
Lettuce + oniontop 8% of all pairs

Smell alikestrong

Cooked together3,562 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Cucumber + oniontop 8% of all pairs

Smell alikestrong

Cooked together6,050 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, leafy base that holds the other ingredients.
Radishes: Add crunch and a peppery bite that contrasts with the milder greens.
Cucumber: Adds cool moisture and a crisp, refreshing texture.
Young onions: Contribute a mild, sharp aroma and savoury flavour.
Hard-boiled eggs: Add richness and a soft, creamy texture to the salad.