Why it works: Garlic and onion match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 29,030 recipes mention both. Both carry furaneol, which smells caramel, strawberry. The science ↓
The recipe
Ingredients
Contains: milk, fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Soak the codfish in fresh water overnight.
Remove the bones from the codfish.
Slice the fresh tomatoes finely.
In a stewpan, layer the sliced tomatoes with a sprinkle of garlic, onion, parsley, and butter.
Add a layer of codfish, then another layer of tomatoes, repeating until the stewpan is filled.
Cover with a tight lid and simmer on low heat for two hours.
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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Garlic + oniontop 1% of all pairsAroma overlapstrongMentioned together29,030 recipes
Shared aroma: furaneol (caramel, strawberry).
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Tomato + garlictop 2% of all pairsAroma overlapmoderateMentioned together14,075 recipes
Shared aroma: furaneol (caramel, strawberry).
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Garlic + parsleytop 4% of all pairsAroma overlapmoderateMentioned together9,294 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Tomato + oniontop 4% of all pairsAroma overlapstrongMentioned together20,622 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + parsleytop 5% of all pairsAroma overlapstrongMentioned together5,396 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the parsley
How well each one fits the dish's main ingredients (haddock, tomato, garlic, onion, butter):
- Thymeabout as good a flavor fit
- Parsleythe original
- Cuminabout as good a flavor fit
- Corianderabout as good a flavor fit
Fit is the average pairing score against haddock, tomato, garlic, onion, butter. 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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IllustrationThe Sunday pairing: one pairing, the chemistry behind it, and how to cook it. No spam, unsubscribe anytime.
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