Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 27,047 recipes mention both. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Oyster Sauce
Ingredients
Directions
Boil the oysters in their own liquor until cooked.
Remove the gills from the oysters.
Mix butter with flour and add it to the strained oyster liquor.
Heat the mixture and stir in the oysters.
Add melted butter and a little cayenne pepper.
Let it boil once, then add a little lemon juice before serving.
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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Pepper + lemontop 3% of all pairsAroma overlapstrongMentioned together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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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).
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Butter + lemontop 16% of all pairsAroma overlapmoderateMentioned together41,227 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Flour + lemontop 17% of all pairsAroma overlapmoderateMentioned together30,404 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
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