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Dessert

Java Ice

A chilled dessert made from cream, egg yolks, coffee, vanilla, and powdered sugar.

From an old cookbook · modernised transcription
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Why it works: Vanilla and sugar are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Java Ice

Ingredients

Directions

Make the custard

  1. In a large pot, combine the cream and egg yolks with the strong coffee.

  2. Heat the mixture over low heat, stirring until hot but not boiling.

  3. Remove from heat and stir in the vanilla extract and powdered sugar until well mixed.

Freeze and serve

  1. Pour the mixture into a can and pack it with ice.

  2. Let it set for several hours, preferably overnight, before serving.

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. Vanilla + sugartop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  2. Coffee + vanillatop 9% of all pairs
    Smell alikemoderate
    Cooked together1,391 recipes

    Shared aroma: sotolon (curry, maple).

  3. Cream + sugartop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  4. Cream + vanillatop 15% of all pairs
    Smell alikelow
    Cooked together12,301 recipes

    Shared aroma: 2-nonanone (fruity, floral).

  5. Cream + coffeetop 17% of all pairs
    Smell alikelow
    Cooked together2,339 recipes

    Shared aroma: 2-heptanol (bitter, floral).

Vanilla and sugar barely smell alike, yet cooks put them together in 35,032 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 yolks
Add richness and help emulsify the cream and coffee into a smooth base.
Cream
Provides fat for a rich, smooth texture.
Powdered sugar
Adds sweetness and softens the frozen texture.
Strong coffee
Supplies the main flavor, with a roasted, slightly bitter note.
Vanilla extract
Adds aroma that rounds out the coffee flavor.

The step that matters

Heat gently without boiling. Egg yolks thicken as they warm, but if the mixture gets too hot it can curdle or scramble. Stirring over low heat keeps the custard smooth and well emulsified.

“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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