Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Lenten Fish Soup
Ingredients
Directions
Clean and prepare the fish.
In a pot, combine fish and water; bring to a boil.
Add chopped onions, leeks, and parsley.
Season with salt and pepper to taste.
Simmer until the fish is cooked through.
Serve hot.
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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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Onion + leektop 4% of all pairsSmell alikestrongCooked together1,326 recipes
Shared aroma: ethyl butyrate (apple, fruity).
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Leek + parsleytop 4% of all pairsSmell alikestrongCooked together759 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the onion
How well each one fits the dish's main ingredients (fish, leek, parsley, pepper):
- Shallotfits better
- Carrotfits better
- Turnipfits better
- Onionthe original
Fit is the average pairing score against fish, leek, parsley, pepper. Candidates are from the same food group and used in at least 100 recipes.
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