Name: Cucumber Catsup
Ingredients: Cucumbers; Vinegar; Pepper; Coarse sea salt

Why it works: Cucumber and vinegar are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 4,734 recipes. Both carry 2-methylbutyl acetate, which smells fruit. The science ↓

Cucumber Catsup

Ingredients

Cucumbers
Vinegar
Pepper
Coarse sea salt

Directions

Grate the cucumbers and squeeze out the juice.
Measure the juice and add an equal amount of vinegar.
Season with pepper and coarse sea salt.
Bottle and cork tightly; it will keep well for years.

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.

Cucumber + vinegartop 8% of all pairs

Smell alikemoderate

Cooked together4,734 recipes

Shared aroma: 2-methylbutyl acetate (fruit).
Cucumber + peppertop 12% of all pairs

Smell alikemoderate

Cooked together5,991 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Vinegar + peppertop 14% of all pairs

Smell alikemoderate

Cooked together27,814 recipes

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