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Dessert

Floating Island

A custard dessert topped with whipped egg white.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Floating Island

Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Floating Island

Ingredients

Directions

Make the custard

  1. Heat the milk in a double boiler.

  2. Beat the egg yolk slightly, then add sugar and a pinch of salt.

  3. Stir the hot milk into the egg mixture constantly.

  4. Return to the double boiler and cook until the custard coats the spoon.

  5. Remove from heat and let cool, then add vanilla.

Top and serve

  1. Beat the egg white and add powdered sugar.

  2. Serve the custard in small dishes.

  3. Serve the beaten egg white on top of the custard.

  4. If the custard curdles, set it in a pan of cold water and beat vigorously.

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.

Photo for illustrative purposes only · Contact us to use it

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. Milk + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

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

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

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

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

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

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

Sugar and vanilla 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 yolk
Thickens the custard as it cooks and gives it richness.
Egg white
Beaten into a foam, it forms the light, airy topping.
Milk
Forms the liquid base of the custard.
Sugar
Sweetens the custard and balances the egg flavour.

The step that matters

Cooking the custard in the double boiler. Egg yolk proteins thicken gently with indirect heat; too much heat makes them scramble and curdle the custard. Stirring constantly keeps the heat even.

“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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