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Peach Marmalade

Peach marmalade made by boiling peaches, orange, lemon, and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Peach Marmalade

Ingredients

Directions

  1. Boil the peaches, orange, and lemon until well mixed.

  2. Add the sugar and boil for two hours.

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. Orange + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  2. Peach + orangetop 7% of all pairs
    Smell alikestrong
    Cooked together385 recipes

    Shared aroma: pinene (pine, turpentine).

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

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

  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 fruit base, bulk, and natural pectin and flavor for the marmalade.
Sugar
Sweetens the marmalade and helps it thicken and set as it cooks down.
Orange
Adds bright citrus aroma and a touch of bitterness that balances the sweetness.
Lemon
Adds acidity that brightens the flavor and supports gel formation.

The step that matters

Adding the sugar and boiling for two hours. Sugar and acid together help the fruit pectin set into a gel, but boiling too long or too briskly can darken the color and flavor. Watch for the mixture thickening rather than relying on time alone.

Swap the peach

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

  1. Limefits better
  2. Vanillafits better
  3. Blueberryfits better
  4. Peachthe original

Fit is the average pairing score against sugar, orange, lemon. 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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