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Dessert

Prune Filling for Pie or Kuchen

A sweet prune filling for pies or cakes, made by boiling prunes, mashing them with lemon juice, and sweetening with sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Sugar and lemon are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 53,532 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Prune Filling for Pie or Kuchen

Ingredients

Directions

Prepare the prunes

  1. Boil the prunes until soft.

  2. Remove the pits.

  3. Run the prunes through a colander.

  4. Mix the prunes with lemon juice and mash well.

Season and finish

  1. Add sugar to taste and flavor with additional lemon juice, lemon rind, or cinnamon.

  2. If using for pie, prepare the upper crust or top with sweetened whipped cream.

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

Prunes
Provide the main body, sweetness and thick texture of the filling once cooked and mashed.
Sugar
Adds sweetness and balances the tart flavor of the prunes.
Lemon juice
Adds acidity that brightens the flavor and balances the sweetness.

The step that matters

Mash the prunes well after adding lemon juice. Thorough mashing breaks down the cooked fruit into a smooth, even filling. Lumps left behind give an uneven texture that is hard to correct once the filling is set.

“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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