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Dessert

Peaches in Jelly

Peaches preserved in a sugar and lemon juice jelly.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Peach and lemon work together. They rank in the top 12% of all ingredient pairs, and cooks put them together in 947 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Peaches in Jelly

Ingredients

Directions

Prepare the peaches

  1. Skin the peaches carefully with a silver knife and cut them in half, removing the stones.

  2. Place the peach halves in cold water.

  3. Crack a quarter of the stones.

  4. Boil the kernels in enough water to cover them for 30 minutes.

Make the syrup

  1. Weigh the peeled peaches and layer them in a preserving pan, sprinkling their weight in sugar over each layer.

  2. Gradually heat the peaches until the sugar melts.

  3. Add the water from the boiled kernels.

  4. Gently boil until the peaches are transparent.

  5. Lift the peaches out and place them on sieves.

  6. Boil the syrup.

  7. Skim the syrup until it thickens slightly when cooled.

Jar and seal

  1. Place the peaches in jars.

  2. Pour the syrup over them when slightly cooled.

  3. Seal the jars airtight.

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 + lemontop 12% of all pairs
    Smell alikemoderate
    Cooked together947 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

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

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

  3. 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

Peaches
Provide the fruit that becomes the main body of the preserve.
Sugar
Sweetens the fruit and, with heat, draws out moisture to form the syrup.
Lemon juice
Adds acidity that brightens flavor and helps set the preserve.
Clarified isinglass
Acts as a gelling agent that helps the syrup set into a jelly.

The step that matters

Skimming the syrup to the right thickness. Boiling sugar syrup concentrates it toward a set point. Stopping too early leaves it runny, while over-boiling makes it stiff and sticky once cooled. Testing a spoonful as it cools shows when it is ready.

Swap the lemon

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

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