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 ↓
Coffee
Ingredients
Directions
Roast the beans
Roast the coffee beans until chestnut-brown, avoiding a burnt color.
Slightly heat the dry coffee before brewing.
Brew
Boil water and add the roasted coffee beans.
If using, break the small egg into the pot with the coffee.
Boil for 5 to 10 minutes.
Serve
Boil milk to a simmer, if cream is not available.
Serve with milk.
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.
Photo for illustrative purposes only · Contact us to use it
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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Egg + milktop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
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Coffee + eggtop 29% of all pairsSmell alikelowCooked together3,239 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Coffee beans
- Provide the coffee flavor and aroma that the brew extracts into the water.
- Egg
- Clarifies the coffee as it sets, trapping grounds so the drink is less cloudy.
The step that matters
Avoid burning the beans during roasting. Beans roasted past chestnut-brown turn bitter and acrid, because sugars and compounds char and carry burnt flavors into the cup that cannot be removed later.
Swap the beans
How well each one fits the dish's main ingredients (coffee, egg, milk):
- Cocoafits better
- Pecansfits better
- Walnutfits better
- Beansthe original
Fit is the average pairing score against coffee, egg, milk. 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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