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Dessert

Floating Island

A custard base topped with beaten egg whites and sugar, chilled and served cold.

From an old cookbook · modernised transcription
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Floating Island

Why it works: Milk and coconut are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 2,648 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Floating Island

Ingredients

Directions

Make the custard

  1. Make a custard by beating and straining the yolks of 6 eggs, then adding them to 1 quart of milk with a small pinch of salt and sugar to taste.

  2. Place the custard in a large tin pan and stir constantly over heat until it boils, then remove from heat.

  3. Flavor the custard with lemon or rose, and pour it into a shallow, wide dish.

Top and serve

  1. Spread the well-beaten egg whites smoothly over the hot custard and grate some loaf sugar on top.

  2. Optionally, add grated coconut on top.

  3. Set the dish in a pan of ice water and serve cold.

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 + coconuttop 10% of all pairs
    Smell alikemoderate
    Cooked together2,648 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  2. Lemon + coconuttop 13% of all pairs
    Smell alikemoderate
    Cooked together1,233 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  4. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

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

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

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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
Thicken the milk into a custard as they set when heated.
Milk
Forms the liquid base of the custard that the yolks thicken.
Well-beaten egg whites
Form the light, airy floating layer on top of the custard.

The step that matters

Stirring the custard until it boils. Egg yolks thicken the custard as they heat, but stirring constantly prevents them from scrambling onto the bottom of the pan. Removing it from heat right at the boil keeps it smooth.

Swap the coconut

The recipe marks coconut as optional. How well each one fits the dish's main ingredients (egg, milk, sugar, lemon):

  1. Vanillafits better
  2. Orangefits better
  3. Figfits better
  4. Coconutthe original

Fit is the average pairing score against egg, milk, sugar, lemon. 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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