Name: Potato Salad
Ingredients: 2 cups diced potatoes; 1 cup diced celery; ½ teaspoon onion juice; 2 tablespoons chopped parsley; ½ cup salad dressing; Lettuce leaves for lining

Why it works: Celery and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 6,810 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Potato Salad

Ingredients

Directions

Prepare

Boil the diced potatoes until tender, then cool and dice them.

Make the salad

In a bowl, combine the diced potatoes, diced celery, onion juice, chopped parsley, and salad dressing, then mix well to combine all ingredients.
Line a salad dish with lettuce leaves and spoon the potato salad on top.

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.

Celery + parsleytop 1% of all pairs

Smell alikestrong

Cooked together6,810 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Potato + oniontop 3% of all pairs

Smell alikemoderate

Cooked together9,023 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Celery + lettucetop 4% of all pairs

Smell alikestrong

Cooked together2,033 recipes

Shared aroma: nonanal (fat, citrus).
Parsley + lettucetop 5% of all pairs

Smell alikestrong

Cooked together1,483 recipes

Shared aroma: trans-2-hexenal (green, leafy).
Potato + parsleytop 5% of all pairs

Smell alikemoderate

Cooked together2,855 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).

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 and provide its soft, starchy texture.
Salad dressing: Adds moisture and richness that bind the salad together and carry its flavor.
Celery: Adds crisp texture that contrasts with the soft potatoes.