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Dessert

Peach and Plum Preserves

A preserve made by cooking peaches and plums in a rich, thick syrup of sugar and water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Peach and plum match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 163 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓

Peach and Plum Preserves

Ingredients

Directions

Make the syrup

  1. Make a very rich, thick syrup with sugar and water.

Prepare the fruit

  1. Peel and quarter the peaches.

  2. Halve and stone the plums, leaving the skin on.

  3. Use ⅔ peaches to ⅓ plums.

Cook

  1. Drop the fruit into the boiling syrup.

  2. Cook until the fruit is tender and the syrup thickens.

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. Peach + plumtop 1% of all pairs
    Smell alikestrong
    Cooked together163 recipes

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

  2. Peach + sugartop 17% of all pairs
    Smell alikelow
    Cooked together2,308 recipes

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

  3. Plum + sugartop 21% of all pairs
    Smell alikelow
    Cooked together2,313 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Firm peaches
Make up most of the fruit, giving the preserve its body and mild, sweet flavour.
Large purple plums
Add tartness and a deeper colour, balancing the sweetness of the peaches.
Sugar
Sweetens the fruit and, as the syrup reduces, thickens it and helps set the preserve.

The step that matters

Cook until the fruit is tender and the syrup thickens. As water evaporates, the sugar becomes more concentrated and the syrup thickens. Stopping too early leaves a runny preserve, while cooking too long can make the fruit tough and the syrup overly stiff.

Swap the plum

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

  1. Vanillafits better
  2. Apricotfits better
  3. Pearfits about as well
  4. Plumthe original

Fit is the average pairing score against peach, 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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