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Drink

Boiled Coffee

A beverage made by boiling coffee with egg white, eggshell, and water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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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

  1. Mix the egg white, eggshell, cold water, and coffee together, then stir the mixture well.

Brew and settle

  1. Add the boiling water and boil for 3 minutes.

  2. Remove from heat and add the remaining cold water.

  3. Pour out a small quantity of coffee and return it to the pot.

  4. Let it stand for 2 minutes to settle.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Coffee + eggtop 29% of all pairs
    Smell alikelow
    Cooked 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 main coffee flavor and aroma in the brew.
Egg white
Coagulates during heating and traps fine grounds, helping the coffee run clearer.

The step that matters

Add the boiling water and boil for 3 minutes. The egg white must be evenly mixed with the grounds before boiling. As it heats, it coagulates and gathers fine particles into a mass that can settle, so the coffee clears instead of staying cloudy.

“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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