Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and 81,283 recipes mention both. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Oyster Soup
Ingredients
Directions
Make the base
Melt the butter in a saucepan.
Add the flour and stir until smooth.
Gradually add the milk and cream.
Stir until the mixture boils.
Prepare the oyster liquor
Boil the oyster liquor.
Skim the oyster liquor.
Season the oyster liquor with anchovy essence and a pinch of cayenne pepper.
Combine and serve
Add the oysters to the mixture to plump them, but do not boil.
Combine the contents of both pans.
Serve immediately.
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 + milktop 7% of all pairsAroma overlapmoderateMentioned together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Butter + creamtop 8% of all pairsAroma overlapmoderateMentioned together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Butter + flourtop 12% of all pairsAroma overlaplowMentioned together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + oystertop 12% of all pairsAroma overlapmoderateMentioned together8,184 recipes
Shared aroma: 2,6-nonadienal (cucumber, green).
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Flour + milktop 14% of all pairsAroma overlaplowMentioned together78,219 recipes
Shared aroma: isobutyraldehyde (malty, 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
- Butter
- Adds fat and rich flavour, and carries the flour into a smooth roux.
- Flour
- Thickens the milk and cream into a smooth, body-rich soup.
- Milk
- Forms the liquid base of the soup and adds mild sweetness.
- Cream
- Adds fat and richness, giving the soup a smoother mouthfeel.
- Oysters
- Provide the main briny flavour and a tender texture when gently heated.
The step that matters
Add the oysters without boiling. Oysters are delicate proteins. High heat makes them shrink, toughen and turn rubbery, so they should be warmed gently just until plump.
“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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