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Dessert

Passion Fruit Filling

A sweet filling made from egg white, icing sugar, and passion fruit juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Egg and sugar are a kitchen classic. They rank in the top 21% of all ingredient pairs, and cooks put them together in 122,807 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Passion Fruit Filling

Ingredients

Directions

  1. Beat the egg white until stiff.

  2. Add the sifted icing sugar and the passion fruit juice, then mix until well combined.

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

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

  2. Sugar + passion fruittop 25% of all pairs
    Smell alikelow
    Cooked together144 recipes

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

  3. Egg + passion fruittop 28% of all pairs
    Smell alikelow
    Cooked together92 recipes

    Shared aroma: nonanal (fat, citrus).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Egg white
Whipped to stiff peaks, it traps air and gives the filling a light, airy structure.
Icing sugar
Sweetens the filling and, as it dissolves, thickens it into a spreadable texture.
Passion fruit juice
Adds tart, aromatic flavour that balances the sweetness of the icing sugar.

The step that matters

Beat the egg white until stiff. Egg white must be whipped to stiff peaks so it holds air. If it is under-whipped, the filling will be dense and runny; if the sugar is added too early or the mixture is overbeaten, it can deflate or turn grainy.

Swap the passion fruit

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

  1. Vanillafits better
  2. Raisinfits better
  3. Lemonfits better
  4. Passion fruitthe original

Fit is the average pairing score against 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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