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Dessert

Pastry Sandwiches

A puff pastry sandwich filled with jam, brushed with egg white and sugar, baked until golden.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Apricot and sugar are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 3,630 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Pastry Sandwiches

Ingredients

Directions

Prepare

  1. Roll out the puff pastry thinly.

  2. Place half of the pastry on a baking sheet and spread jam evenly over it.

  3. Cover with another layer of thin pastry and press the edges together.

  4. Mark the surface with a knife to indicate where to cut after baking.

Bake and serve

  1. Bake for 20 to 30 minutes.

  2. Before fully baked, brush the top with egg white and sprinkle with sifted sugar.

  3. Return to the oven to color.

  4. Once cooled, cut into strips and serve.

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. Apricot + sugartop 18% of all pairs
    Smell alikelow
    Cooked together3,630 recipes

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

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

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

  3. Apricot + eggtop 29% of all pairs
    Smell alikelow
    Cooked together1,712 recipes

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

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 case that holds the jam and puffs when baked.
Jam
Provides sweetness and fruity moisture inside the pastry.
Egg white
Brushed on top to help the surface brown and give a glossy finish.
Sifted sugar
Sprinkled on top to caramelize and add a sweet, crisp crust.

The step that matters

Brushing with egg white and sugar before full baking. Applied too early or too late, the sugar may burn or fail to caramelize. Adding it before the pastry is fully baked lets the sugar color and set on the surface, and the second oven stint deepens the browning.

Swap the apricot

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

  1. Vanillafits better
  2. Raisinfits better
  3. Lemonfits better
  4. Apricotthe 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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