Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and 27,232 recipes mention both. Both carry delta-decalactone, which smells sweet, creamy. The science ↓
Oyster Soup
Ingredients
Directions
Make the soup
In a pot, combine water or liquor from boiled fowls with oysters, salt, and pepper.
In a small bowl, mix butter and flour until smooth, then add to the pot.
Beat the egg yolks and mix with sweet milk and strained oyster liquor, then add to the pot.
Cook for a few minutes until heated through.
Serve
Pour the soup into a tureen over slices of dry toasted bread and 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 aroma chemistry they share, and how many recipes mention both.
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Butter + breadtop 7% of all pairsAroma overlapmoderateMentioned together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Butter + milktop 7% of all pairsAroma overlapmoderateMentioned together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Milk + breadtop 11% of all pairsAroma overlapmoderateMentioned together11,466 recipes
Shared aroma: 2-undecenal (sweet).
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Butter + flourtop 12% of all pairsAroma overlaplowMentioned together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Oyster + buttertop 12% of all pairsAroma overlapmoderateMentioned together8,184 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
Butter and flour share little aroma chemistry, yet 124,287 recipes mention both: they likely 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
- Oysters
- Provide the main flavor and texture of the soup.
- Butter and flour
- Thicken the soup and give it a smooth, body-rich texture.
- Egg yolks
- Enrich the soup and thicken it gently as it heats.
- Sweet milk
- Adds creaminess and softens the broth's flavor.
The step that matters
Adding the egg yolk and milk mixture. Egg yolks can curdle or scramble if they boil. Add them off the heat or over gentle heat, stirring constantly, so the soup thickens smoothly instead of turning grainy.
“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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