Name: Potato Salad
Ingredients: 8 potatoes, cut fine; 2 cups chopped cucumber; 1 onion, chopped fine; 3 hard-boiled eggs; boiled salad dressing

Why it works: Potato and onion are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Potato Salad

Ingredients

Directions

Prepare

Boil the potatoes until tender, then cut them into small pieces.
Chop the cucumber and onion finely.
Peel and chop the hard-boiled eggs.

Assemble and serve

Combine all ingredients in a bowl.
Cover with boiled salad dressing and mix well.

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.

Potato + oniontop 3% of all pairs

Smell alikemoderate

Cooked together9,023 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).
Potato + cucumbertop 9% of all pairs

Smell alikestrong

Cooked together481 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Cucumber + eggtop 23% of all pairs

Smell alikemoderate

Cooked together2,346 recipes

Shared aroma: 2-nonenal (fatty, green).
Potato + eggtop 29% of all pairs

Smell alikemoderate

Cooked together4,978 recipes

Shared aroma: (e)-2-octenal (fatty, green).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Potatoes: Form the bulk of the salad, giving body and a tender, starchy texture.
Hard-boiled eggs: Add richness and a firm, creamy texture to the salad.
Boiled salad dressing: Adds moisture and tang, binding the salad together.