Why it works: Bread and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Fish Soup
Ingredients
Directions
Prepare
Cut the cleaned eels into small pieces and place them in a saucepan.
Cover the cleaned eels with water.
Cook
Add the browned crust, peppercorns, horseradish, butter, and flour.
Cover the saucepan and simmer until cooked through.
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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Bread + buttertop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Horseradish + flourtop 10% of all pairsSmell alikestrongCooked together743 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Bread + horseradishtop 19% of all pairsSmell alikemoderateCooked together240 recipes
Shared aroma: coumarin (sweet, hay).
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Bread + flourtop 25% of all pairsSmell alikelowCooked together10,383 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Eels
- Provide the main protein and flavour of the soup.
- Browned crust
- Adds toasty, roasted flavour to the broth.
- Butter
- Adds richness and a smoother mouthfeel to the broth.
- Flour
- Thickens the broth slightly as it cooks.
Swap the horseradish
How well each one fits the dish's main ingredients (bread, butter, flour):
- Shallotfits better
- Leekfits better
- Chivefits better
- Horseradishthe original
Fit is the average pairing score against bread, butter, flour. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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