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Dessert

Peach Marmalade

A preserve made by cooking peaches, pineapple, lemon juice, and sugar, then adding chopped peach pits and cooling.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

Peach Marmalade

Ingredients

Directions

Cook the fruit

  1. Cook the peaches and pineapple without adding water for 1 hour.

  2. Blanch the peach pits, boil until tender, and chop them finely.

Make the marmalade

  1. Add the chopped peach pits, lemon juice, and sugar to the cooked mixture.

  2. Cook for an additional 20 minutes.

  3. Pour into jelly glasses and let cool.

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

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

  3. Pineapple + lemontop 12% of all pairs
    Smell alikemoderate
    Cooked together1,964 recipes

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

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

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

  5. 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 main fruit flavor, body, and natural pectin-bearing pulp for the marmalade.
Sugar
Sweetens the marmalade and helps it thicken as it cooks down.
Pineapple
Adds extra fruit flavor and pulp to the mixture.
Lemon juice
Adds acidity that brightens the flavor and supports setting.
Peach pits
Contribute almond-like aroma and additional pectin-bearing flavor when simmered.

The step that matters

Cooking the pits until tender. Pits must be boiled fully until tender before chopping; if undercooked they stay hard and gritty in the finished marmalade, and the cooked pits release flavor and pectin into the mixture.

Swap the lemon

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

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

Fit is the average pairing score against peach, sugar, pineapple. 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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