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Preserved Peaches

A method for preserving peaches in sugar syrup.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Peach and pineapple match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 168 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Preserved Peaches

Ingredients

Directions

Prepare

  1. Peel and stone the peaches, then weigh them.

  2. Crack some of the peach stones.

  3. Extract the kernels.

  4. Steep the kernels in a small amount of water in a covered vessel.

  5. Place the peeled peaches in cold water to prevent discoloration.

Cook the peaches

  1. Make a syrup by boiling the sugar with water until clear, skimming off any foam.

  2. Boil the peaches in the syrup until tender and clear.

  3. Remove the peaches with a perforated skimmer.

  4. Place the peaches on large platters to cool.

Thicken and jar

  1. Add the steeping water from the kernels to the syrup.

  2. Boil the syrup until thick like honey, skimming off any scum.

  3. Fill glass jars two-thirds full with peaches.

  4. Pour the boiling syrup over the peaches in the jars.

  5. Once cooled, cover with brandied paper or seal with patent glass jars while hot.

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 + pineappletop 3% of all pairs
    Smell alikestrong
    Cooked together168 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

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

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

  3. Sugar + pineappletop 19% of all pairs
    Smell alikelow
    Cooked together4,841 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

Peaches
Forms the fruit itself, which softens and turns clear as it cooks in the syrup.
Sugar
Sweetens the fruit and, at high concentration, helps preserve it by drawing out water.

The step that matters

Boil the syrup until thick like honey. Sugar concentration is what keeps the fruit preserved. A syrup that is too thin lets water remain available to spoilage microbes, so it must be cooked down fully before the peaches are covered.

Swap the pineapple

The recipe marks pineapple as optional. How well each one fits the dish's main ingredients (peach, sugar):

  1. Vanillafits better
  2. Apricotfits better
  3. Pearfits better
  4. Pineapplethe 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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