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Dessert

Prune Jelly

A gelatin set dessert made from prunes, lemon, and sugar, served chilled with cream.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Gelatin and cream match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 1,628 recipes. Both carry acetic acid, which smells sour, vinegar. The science ↓

Prune Jelly

Ingredients

Directions

Prepare the prunes

  1. Wash the prunes and soak them overnight in enough water to cover.

  2. Soak the gelatin in cold water to cover.

  3. In the morning, boil the prunes in the same water until tender.

  4. Remove the stones from the prunes.

  5. Place the prunes in a mold.

Make the jelly

  1. Add the soaked gelatin to the prune water, along with the lemon juice and grated rind.

  2. Sweeten to taste.

  3. Boil the mixture slowly for five minutes.

  4. Strain the mixture through flannel into the mold with prunes.

Serve

  1. Once cold, serve with sugar and 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. Gelatin + creamtop 7% of all pairs
    Smell alikestrong
    Cooked together1,628 recipes

    Shared aroma: acetic acid (sour, vinegar).

  2. Gelatin + sugartop 7% of all pairs
    Smell alikemoderate
    Cooked together2,778 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  4. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  5. Gelatin + lemontop 27% of all pairs
    Smell alikelow
    Cooked together1,215 recipes

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

Lemon and sugar 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 flavour, body and sweetness of the jelly, and soften into the set dessert.
Gelatin
Sets the prune liquid into a firm, sliceable jelly as it cools.
Lemon juice
Adds acidity that brightens the sweet prune flavour and balances the sugar.
Lemon rind
Contributes aromatic citrus oils that add fragrance to the jelly.

The step that matters

Boil the mixture slowly for five minutes. Gelatin must be fully dissolved into the liquid, but prolonged vigorous boiling can weaken its setting power. A gentle simmer dissolves it evenly so the jelly sets clear and firm.

Swap the lemon

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

  1. Vanillafits better
  2. Strawberryfits better
  3. Raspberryfits better
  4. Lemonthe original

Fit is the average pairing score against gelatin, sugar, cream. 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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