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Dessert

Apple Marmalade

A preserve made from sour apples, lemon, sugar, ginger, and water, cooked until clear.

From an old cookbook · modernised transcription
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Why it works: Lemon and ginger match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 5,154 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

Apple Marmalade

Ingredients

Directions

Prepare

  1. Pare, core, and finely chop the apples.

Make the marmalade

  1. In a pot, boil the sugar, water, grated rind and juice of the lemons, and chopped preserved ginger for 5 minutes.

  2. Add the chopped apples and cook slowly for 2 hours, or until the fruit is clear.

Jar

  1. Fill sterilized 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. Lemon + gingertop 5% of all pairs
    Smell alikestrong
    Cooked together5,154 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  2. Apple + gingertop 9% of all pairs
    Smell alikemoderate
    Cooked together1,424 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  3. Apple + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together7,551 recipes

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

  4. Sugar + gingertop 17% of all pairs
    Smell alikelow
    Cooked together14,054 recipes

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

  5. Apple + sugartop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

Sugar and ginger barely smell alike, yet cooks put them together in 14,054 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

Sour apples
Provide the bulk of the fruit and pectin that helps the marmalade set.
Lemons
Add acidity and aromatic rind oils, and help the marmalade set.
Sugar
Sweetens the marmalade and helps it thicken as it cooks down.
Preserved ginger
Adds warm, spicy aroma and a little sharpness to the flavor.

The step that matters

Cooking the apples slowly. Cooking slowly over a long time lets the apples soften and break down evenly while water evaporates. Rushing with high heat can scorch the sugar and leave the fruit unevenly cooked or the set too loose.

Swap the apple

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

  1. Orangefits better
  2. Limefits better
  3. Mangofits better
  4. Applethe original

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