Why it works: Cream and sugar are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
Vienna Coffee
Ingredients
Directions
Brew the coffee
Mix Mocha and Java coffee together.
Add 5 tablespoons of coffee to a pot.
Mix 1 egg with the coffee grounds.
Pour in half the boiling water needed.
Let it froth.
Stir down the grounds.
Let it boil for 5 minutes.
Remove from heat.
Let it stand for 5 to 10 minutes to keep hot, but not boiling.
Add the remaining boiling water.
Serve
In cups, combine the beaten egg white with cream and sugar.
Pour the hot coffee over the cream mixture.
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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Cream + sugartop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Coffee + creamtop 17% of all pairsSmell alikelowCooked together2,339 recipes
Shared aroma: 2-heptanol (bitter, floral).
-
Coffee + sugartop 17% of all pairsSmell alikelowCooked together4,344 recipes
Shared aroma: beta-damascenone (apple, rose).
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Egg + sugartop 21% of all pairsSmell alikemoderateCooked together122,807 recipes
Shared aroma: 2-nonenal (fatty, green).
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Egg + creamtop 24% of all pairsSmell alikelowCooked together42,166 recipes
Shared aroma: acetic acid (sour, vinegar).
Egg and cream barely smell alike, yet cooks put them together in 42,166 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
- Provides the main coffee flavor and bitterness of the drink.
- Egg
- Helps settle the grounds so the brewed coffee comes out clearer.
- Cream
- Adds richness and body, softening the coffee's bitterness.
- Egg white
- Beaten into the cream, it adds a light, foamy texture.
- Sugar
- Sweetens the cream and balances the coffee's bitterness.
The step that matters
Hold the coffee just below boiling. Once the coffee has boiled and come off the heat, letting it stand just below a boil keeps it hot while avoiding further extraction, which would make it more bitter.
“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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