Why it works: Milk and butter match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 81,222 recipes mention both. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
The recipe
Ingredients
Contains: milk, wheat, fish (auto-detected from the ingredients and method; we can miss things, so check labels)
Also mentioned in the method: fish
Directions
Cut out the thick part of the codfish and soak it in water for 10-12 hours.
Chop the soaked fish into smaller pieces and boil them in fresh water for a few minutes.
Pour off the water, add fresh water, and boil for a few more minutes.
Drain the water, add enough milk to cover the fish, and heat on the stove.
Once warm, add a small piece of butter and a pinch of pepper.
Mix a little flour with some milk and stir it into the pan for a few minutes until ready to serve.
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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Milk + buttertop 3% of all pairsAroma overlapstrongMentioned together81,222 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Butter + flourtop 6% of all pairsAroma overlaplowMentioned together122,858 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Milk + flourtop 8% of all pairsAroma overlaplowMentioned together76,993 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Butter + peppertop 11% of all pairsAroma overlapstrongMentioned together85,512 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Milk + peppertop 12% of all pairsAroma overlapstrongMentioned together26,983 recipes
Shared aroma: ethyl 2-methylbutyrate (fruity, apple).
Butter and flour share little aroma chemistry, yet 122,858 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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