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Cocoa Eggnog

A frothy eggnog made by beating egg white with sugar, cocoa, salt, and cold milk, then poured into a glass and topped.

From an old cookbook · modernised transcription
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Why it works: Cocoa and milk work together. They rank in the top 10% of all ingredient pairs, and cooks put them together in 643 recipes. Both carry methyl 2-methylbutyrate, which smells fruity, apple. The science ↓

Cocoa Eggnog

Ingredients

Directions

  1. Beat the egg white until stiff.

  2. Gradually add the sugar, cocoa, and salt while beating constantly.

  3. Add the cold milk to the mixture while continuing to beat.

  4. Pour into a glass and top with the remaining mixture.

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. Cocoa + milktop 10% of all pairs
    Smell alikemoderate
    Cooked together643 recipes

    Shared aroma: methyl 2-methylbutyrate (fruity, apple).

  2. Egg + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

  3. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

    Shared aroma: 2-nonenal (fatty, green).

  4. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Sugar + cocoatop 27% of all pairs
    Smell alikelow
    Cooked together956 recipes

    Shared aroma: beta-damascenone (apple, rose).

Sugar and milk barely smell alike, yet cooks put them together in 77,875 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

Egg white
Whipped into a foam that gives the drink its light, airy structure.
Sugar
Sweetens the drink and helps stabilize the whipped egg white foam.
Breakfast cocoa
Adds chocolate flavor and a mild bitterness to the drink.
Cold milk
Supplies the liquid and body that makes up most of the drink.

The step that matters

Gradually add the sugar, cocoa, and salt while beating constantly.. Adding dry ingredients slowly while beating lets them disperse evenly into the egg white foam. Dumping them in at once can deflate the foam, which weakens the airy texture.

Swap the cocoa

How well each one fits the dish's main ingredients (egg, sugar, milk):

  1. Pecansfits about as well
  2. Almondfits about as well
  3. Cocoathe original
  4. Walnutfits about as well

Fit is the average pairing score against egg, sugar, 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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