Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and 124,287 recipes mention both. Both carry isobutyraldehyde, which smells malty, green. The science ↓
Oyster Sauce for Codfish
Ingredients
Directions
Prepare
Place the oysters in a pot over low heat.
In a bowl, mix the butter and flour until smooth.
Make the sauce
Stir the butter-flour mixture into the oysters until dissolved.
Season with pepper and coarse sea salt to taste.
Do not let the mixture boil; heat just until warmed 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 aroma chemistry they share, and how many recipes mention both.
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Flour + buttertop 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).
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Oyster + eggtop 14% of all pairsAroma overlapmoderateMentioned together4,103 recipes
Shared aroma: 2-nonenal (fatty, green).
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Flour + eggtop 15% of all pairsAroma overlaplowMentioned together106,462 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + eggtop 17% of all pairsAroma overlapmoderateMentioned together118,967 recipes
Shared aroma: decanal (soap, orange peel).
Flour and butter 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 liquid that the sauce is built on.
- Flour
- Thickens the oyster liquid as it heats, giving the sauce body.
- Butter
- Adds richness and smooth mouthfeel, and helps the flour blend without lumps.
The step that matters
Do not let the mixture boil. Flour-thickened sauces can turn grainy or break when overheated, and oysters become tough and rubbery at high heat. Heating gently only until warmed through keeps the sauce smooth and the oysters tender.
“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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