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Fruit Turnovers

Fruit turnovers are pastry pockets filled with chopped fruit and sugar, baked until golden.

From an old cookbook · modernised transcription
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Why it works: Apple and sugar are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 16,478 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Fruit Turnovers

enough for 8 turnovers
Oven, in the book's wordsA brisk oven

Ingredients

Directions

The book says “a brisk oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Preheat the oven to 400°F (200°C).

  2. Roll out the puff pastry to about 1/8 inch thick.

  3. Cut the pastry into circular pieces, about the size of a small tea saucer.

Fill and seal

  1. Place the chopped fruit on one half of each pastry circle and sprinkle with sugar.

  2. Wet the edges of the pastry with water, then fold the other half over the fruit.

  3. Press the edges together to seal, then decorate the edges as desired.

Bake

  1. Brush the tops with egg white and sprinkle with sifted sugar.

  2. Bake on a baking sheet for about 20 minutes, or until golden brown.

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. Apple + sugartop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

  2. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

  3. Apple + eggtop 30% of all pairs
    Smell alikelow
    Cooked together7,461 recipes

    Shared aroma: 2,4-decadienal (seaweed).

Apple and sugar barely smell alike, yet cooks put them together in 16,478 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

Puff pastry
Forms the flaky, layered shell that encloses the filling and puffs during baking.
Fresh fruit
Provides the moist, flavourful filling that softens and turns juicy under heat.
Sugar
Sweetens the filling and helps the fruit release its juices and caramelise slightly.
Egg white
Gives the pastry a glossy, golden surface when brushed on before baking.

The step that matters

Sealing the edges. If the edges are not wet and pressed firmly together, juices and steam can escape or leak during baking, leaving the turnovers dry and the filling spilling out.

Swap the apple

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

  1. Vanillafits better
  2. Raisinfits better
  3. Lemonfits better
  4. Applethe original

Fit is the average pairing score against sugar, egg. 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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