Why it works: Coffee and milk are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 2,202 recipes. Both carry 4-heptenal, which smells creamy, biscuit. The science ↓
Making Coffee
Ingredients
Directions
Roast and grind
Roast coffee beans in an enamelled frying pan over a mild fire until they turn rich brown, stirring constantly.
Use 1 tablespoon of coffee powder for each cup of coffee.
Brew
Pour boiling water over the coffee powder in a jug, using ½ cup of water for each tablespoon of coffee.
Let the coffee steep for 30 minutes.
Strain the coffee through a linen or cotton bag into a coffee pot.
Serve
To serve, mix ¼ cup of coffee with ¾ cup of boiling milk and add sugar to taste.
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 their aromas overlap, and how often cooks already put them together.
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Coffee + milktop 10% of all pairsSmell alikemoderateCooked together2,202 recipes
Shared aroma: 4-heptenal (creamy, biscuit).
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Coffee + beanstop 13% of all pairsSmell alikemoderateCooked together289 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Beans + milktop 17% of all pairsSmell alikemoderateCooked together1,266 recipes
Shared aroma: 2,3,5-trimethylpyrazine (cocoa, roasted).
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Coffee + sugartop 17% of all pairsSmell alikelowCooked together4,344 recipes
Shared aroma: beta-damascenone (apple, rose).
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Milk + sugartop 18% of all pairsSmell alikelowCooked together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
Milk and sugar barely smell alike, yet cooks put them together in 77,875 recipes: they 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
- Coffee beans
- Roasting browns the beans, developing the rich flavour and aroma that the brew carries.
- Boiling water
- Extracts flavour from the coffee powder during steeping.
- Milk
- Adds creaminess and softens the bitterness of the coffee when mixed in at serving.
- Sugar
- Adds sweetness, balancing the coffee's bitterness to taste.
The step that matters
Roasting the beans. Roasting stops once the beans turn rich brown, and the stirring keeps them from scorching unevenly. Under-roasting gives a weak, grassy taste, while over-roasting makes the coffee harsh and bitter.
Swap the beans
How well each one fits the dish's main ingredients (coffee, milk, sugar):
- Cocoafits better
- Hazelnutfits better
- Peanutfits better
- Beansthe original
Fit is the average pairing score against coffee, milk, sugar. Candidates are from the same food group and used in at least 100 recipes.
“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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