Why it works: Fish and oyster work together. They rank in the top 9% of all ingredient pairs, and 496 recipes mention both. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Oyster Soup
Ingredients
Directions
Prepare the base
Beat the yolks of the hard-boiled eggs and the hard parts of the oysters in a mortar.
Add this mixture to the fish stock and simmer for 30 minutes.
Strain the soup and return it to the pot with the cleaned oysters.
Simmer for 5 minutes.
Thicken and serve
Beat the yolks of 6 raw eggs.
Add the beaten raw egg yolks to the soup.
Stir gently until thick and smooth without boiling.
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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Fish + oystertop 9% of all pairsAroma overlapmoderateMentioned together496 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Egg + oystertop 14% of all pairsAroma overlapmoderateMentioned together4,103 recipes
Shared aroma: 2-nonenal (fatty, green).
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Fish + peppertop 21% of all pairsAroma overlapmoderateMentioned together3,948 recipes
Shared aroma: 2-nonenal (fatty, green).
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Oyster + peppertop 22% of all pairsAroma overlaplowMentioned together7,663 recipes
Shared aroma: 2-nonenal (fatty, green).
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Fish + eggtop 22% of all pairsAroma overlapmoderateMentioned together2,782 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Fish stock
- Provides the savory liquid base of the soup.
- Hard-boiled egg yolks
- Mashed into the broth to add body and a rich, creamy texture.
- Oysters
- Add a briny, savory flavor and a tender bite.
- Raw egg yolks
- Set gently with heat to thicken the soup and give it a smooth texture.
The step that matters
Stir the raw egg yolks in gently without boiling. Egg yolk proteins thicken when warmed but curdle and turn grainy if overheated. Stirring gently over gentle heat and avoiding a boil keeps the soup thick and smooth.
“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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