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Dessert

Oriental Apple Jam

A jam made from apples, sugar, lemon peel and juice, and ginger root, boiled until clear and yellow.

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 ↓

Oriental Apple Jam

Ingredients

Directions

Prepare the syrup

  1. Pare, slice, and chop the apples very fine.

  2. Make a syrup using 1 pound of sugar for every pound of fruit.

Cook and store

  1. Boil the apples in the syrup with the grated peel and juice of 2 or 3 lemons and 2 ounces of ginger-root.

  2. Cook until the preserve looks clear and yellow.

  3. Store in a cool place; it keeps well.

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

Apples
Provide the bulk of the jam and pectin that helps it set as it cooks.
Sugar
Sweetens the jam and, with cooking, helps thicken it and preserve it.
Lemons
Add acidity and aroma, and help the fruit hold its bright color.
Ginger-root
Adds a warm, spicy aroma that complements the apples and lemon.

The step that matters

Cook until the preserve looks clear and yellow. Cooking must continue long enough for sugar to concentrate and the pectin to set the jam, but overcooking can scorch the sugar and darken the color. Judge by appearance and texture rather than time alone.

Swap the apple

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

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

Fit is the average pairing score against sugar, lemon, 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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