Name: Fruit Salad
Ingredients: 2 oranges; 2 bananas; 1 dozen English walnuts; mayonnaise; lettuce cups

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 ↓

Fruit Salad

Ingredients

Directions

Prepare

Peel, slice, and seed the oranges.
Peel and slice the bananas.
Chop the walnuts coarsely.

Assemble and serve

Arrange the fruit in layers in individual lettuce cups on small plates.
Pour a little mayonnaise over the fruit.
Garnish with the chopped walnuts.

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.

Walnut + lettucetop 1% of all pairs

Smell alikestrong

Cooked together491 recipes

Shared aroma: trans-2-hexenal (green, leafy).
Orange + bananatop 8% of all pairs

Smell alikemoderate

Cooked together1,118 recipes

Shared aroma: 1-octen-3-one (mushroom, metallic).
Banana + lettucetop 11% of all pairs

Smell alikestrong

Cooked together198 recipes

Shared aroma: trans-2-hexenal (green, leafy).
Orange + lettucetop 11% of all pairs

Smell alikemoderate

Cooked together373 recipes

Shared aroma: trans-2-hexenal (green, leafy).
Banana + walnuttop 12% of all pairs

Smell alikestrong

Cooked together508 recipes

Shared aroma: 2-hexenal (green, leafy).