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Dessert

Apple Jam, No. 1

Apple jam made from tart apples, sugar, lemon juice, grated rind, and ginger, cooked for an hour.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
Jump to recipe ↓

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 Jam, No. 1

Ingredients

Directions

Prepare

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

  2. In a pot, combine the apples, sugar, lemon juice, and ginger.

Cook

  1. Stew the mixture for one hour.

Jar and store

  1. Transfer to cans or glasses and cover well.

  2. Store in a cool, dry place.

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

Tart apples
Their natural pectin helps the jam thicken and set as it stews.
Sugar
Adds sweetness and thickens the jam while helping it keep.
Lemon juice
Adds acidity that brightens flavor and supports pectin setting.
Ground ginger
Adds warm, spicy aroma to the fruit.

The step that matters

Stew the mixture for one hour. As water evaporates, the sugar and apple pectin concentrate and set. Stewing too briefly leaves the jam runny, while overcooking can make it stiff and dull in flavor.

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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