Why it works: Mustard and celery are a kitchen classic. They rank in the top 2% of all ingredient pairs, and cooks put them together in 4,169 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓
Cucumber Catsup
Ingredients
Directions
Place peeled cucumbers in cold water and grate them.
Season the grated cucumbers well with coarse sea salt.
Tie the cucumbers in a thin cloth and let them drain overnight.
Mix vinegar, white mustard, celery seeds, black pepper, and a little sugar in a bowl.
Pour the mixture over the drained cucumbers.
Refrigerate until cold and ready to use.
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.
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Mustard + celerytop 2% of all pairsSmell alikemoderateCooked together4,169 recipes
Shared aroma: guaiacol (smoky, sweet).
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Cucumber + mustardtop 3% of all pairsSmell alikestrongCooked together2,281 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Celery + peppertop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Vinegar + mustardtop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Cucumber + celerytop 8% of all pairsSmell alikemoderateCooked together1,745 recipes
Shared aroma: linalool (floral, citrus).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the celery
How well each one fits the dish's main ingredients (cucumber, vinegar, mustard, pepper, sugar):
- Tarragonfits better
- Dillfits better
- Capersfits better
- Celerythe original
Fit is the average pairing score against cucumber, vinegar, mustard, pepper, sugar. Candidates are from the same food group and used in at least 100 recipes.
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