Why it works: Fish and onion are a kitchen classic. They rank in the top 9% of all ingredient pairs, and 1,919 recipes mention both. Both carry 2-nonanone, which smells fruity, floral. The science ↓
The recipe
Ingredients
Contains: fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Skin and bone the fish according to general rules.
Lay slices of onion over the fish.
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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Fish + oniontop 9% of all pairsAroma overlapmoderateMentioned together1,919 recipes
Shared aroma: 2-nonanone (fruity, floral).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
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