Why it works: Coffee and butter are a kitchen classic. They rank in the top 23% of all ingredient pairs, and cooks put them together in 2,442 recipes. Both carry 2-furfurylthiol, which smells coffee, roasted. The science ↓
To Roast Coffee
Ingredients
Directions
Prepare
Pick over the coffee to remove any stones.
Roast
Heat a round-bottomed iron kettle for 1-2 hours without burning.
Add the coffee and stir constantly until it browns to a dark, rich brown, but not black.
Before removing from heat, stir in a piece of butter.
Store
Transfer the hot coffee to a tightly covered box.
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 + buttertop 23% of all pairsSmell alikemoderateCooked together2,442 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Coffee
- Forms the main body of the dish, and roasting browns its sugars and proteins into rich flavor.
- Butter
- Adds a small amount of fat that rounds out the roasted flavor and gives a smoother finish.
The step that matters
Stirring while the coffee roasts. Beans left still on the hot iron scorch on the bottom before the rest brown. Constant stirring spreads the heat evenly, so the coffee reaches a dark brown rather than black.
“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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