Why it works: Coffee and egg are a kitchen classic. They rank in the top 29% of all ingredient pairs, and cooks put them together in 3,239 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Boiled Coffee
Ingredients
Directions
Prepare
Mix coffee with crushed egg shell, a little egg white, and a little water in a bowl.
Put the mixture in a coffee pot.
Add 1 cup of cold water for each tablespoon of coffee, except the extra for the pot.
Brew and serve
Boil the coffee twice.
Clear the coffee with a little cold water.
Serve immediately.
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 + 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
- Provides the flavour and body of the brewed drink.
- Crushed egg shell
- Helps settle the grounds so the brewed coffee comes out clearer.
- Egg white
- Binds to fine grounds and helps clarify the coffee as it is cleared.
The step that matters
Clear the coffee with a little cold water. Cold water added after boiling makes the grounds sink, so the coffee looks clearer. Pouring it in too early or stirring it up again leaves grounds suspended in the drink.
“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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