Why it works: Parsley and celery match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 6,810 recipes mention both. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Individual Sardine and Tomato Salad
Ingredients
Directions
Peel the tomato, cut off the top, and scoop out the inside.
Mix the tomato flesh with one chopped olive, onion, celery, green pepper, sugar, and mayonnaise.
Return the mixture to the tomato and set it in a nest of shredded lettuce.
Top with a spoonful of mayonnaise and sprinkle with minced parsley.
Place the other olive on top and lean three sardines against the tomato for a tent-like appearance.
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 aroma chemistry they share, and how many recipes mention both.
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Parsley + celerytop 1% of all pairsAroma overlapstrongMentioned together6,810 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Parsley + peppertop 2% of all pairsAroma overlapstrongMentioned together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Celery + lettucetop 4% of all pairsAroma overlapstrongMentioned together2,033 recipes
Shared aroma: nonanal (fat, citrus).
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Tomato + celerytop 4% of all pairsAroma overlapmoderateMentioned together3,377 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Parsley + lettucetop 5% of all pairsAroma overlapstrongMentioned together1,483 recipes
Shared aroma: trans-2-hexenal (green, leafy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (parsley, tomato, pepper, sugar, celery, lettuce):
- Carrotbetter flavor fit
- Capsicumbetter flavor fit
- Mustardbetter flavor fit
- Onionthe original
Fit is the average pairing score against parsley, tomato, pepper, sugar, celery, lettuce. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
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