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Dessert

Prune Jelly

A gelatin set dessert made from prunes, sugar, lemon juice, and water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Sugar and gelatin are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 2,778 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Prune Jelly

Ingredients

Directions

Prepare the prunes

  1. Soak the prunes overnight in 3 pints of water.

  2. Cook the prunes in the same water until soft.

  3. Remove the stones.

Make the jelly

  1. Put the water back on the stove, add 1½ cups sugar, and bring to a boil.

  2. Add the prunes, lemon juice, and dissolved gelatin.

  3. Pour into a mold to cool.

Serve

  1. Serve with 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 + gelatintop 7% of all pairs
    Smell alikemoderate
    Cooked together2,778 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

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

  3. Lemon + gelatintop 27% of all pairs
    Smell alikelow
    Cooked together1,215 recipes

    Shared aroma: beta-pinene (pine, resin).

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 flavor, sweetness and body of the jelly.
Gelatin
Sets the liquid into a firm, sliceable jelly as it cools.
Sugar
Sweetens the jelly and balances the tartness of the fruit.
Lemon juice
Adds acidity that brightens the flavor of the prunes.

The step that matters

Add the gelatin evenly and avoid prolonged boiling. Gelatin only sets properly when it is fully dissolved and evenly mixed through the liquid before the mold is filled. Keeping the mixture at a hard boil for long can weaken gelatin's setting power, so the gelatin should be stirred in well once the sugar syrup is ready.

Swap the lemon

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

  1. Vanillafits better
  2. Raisinfits better
  3. Figfits better
  4. Lemonthe original

Fit is the average pairing score against sugar, gelatin. 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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