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Dessert

Floating Island

A dessert of meringue floating on custard flavored with lemon.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Floating Island

Why it works: Milk and lemon are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 19,053 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Floating Island

Ingredients

Directions

Prepare the eggs

  1. Separate the egg whites and yolks.

  2. Whip the egg whites until stiff.

Poach the whites

  1. Heat the milk in a saucepan.

  2. Gently place the whipped egg whites into the heated milk.

  3. Cook the egg whites in the milk until set, then remove them.

Make the custard

  1. Beat the sugar with the egg yolks until well combined.

  2. Pour the yolk mixture into the milk.

  3. Bring the mixture to a boil.

  4. Add lemon flavoring to the milk mixture.

  5. Pour the hot mixture into a serving dish.

Assemble and cool

  1. Top the custard with the cooked egg whites.

  2. Let the dessert cool.

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

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

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

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

  3. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

  4. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

  5. Egg + lemontop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

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

Eggs
Whites whip into a foam that sets when cooked; yolks thicken the custard.
Milk
Forms the base of the custard and the liquid the whites poach in.
Sugar
Sweetens the custard and helps stabilize the beaten yolks.

The step that matters

Cooking the egg whites in the milk until set. Overheating or boiling the milk too vigorously can make the whites shrink, toughen or weep, while underpoaching leaves them raw and slack. Gentle, steady heat keeps them tender and intact.

Swap the lemon

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

  1. Vanillafits better
  2. Figfits about as well
  3. Raisinfits about as well
  4. Lemonthe original

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