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Crab Apple Marmalade

A marmalade made from crab apples, lemon, sugar, and ginger.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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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 ↓

Crab Apple Marmalade

Ingredients

Directions

Prepare

  1. Peel, core, and quarter the crab apples.

  2. Slice the lemon very thin without cutting it up.

Cook

  1. Combine the crab apples, lemon, and sugar in a pot.

  2. Boil the mixture until it becomes quite thick.

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. Crab + lemontop 16% of all pairs
    Smell alikemoderate
    Cooked together387 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

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

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

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

Crab apples
Provide natural pectin and tart fruit flavor that help the marmalade set.
Lemon
Adds acidity that brightens flavor and supports pectin gel formation.
Sugar
Sweetens the fruit and, as it concentrates during boiling, helps the marmalade thicken.

The step that matters

Boil the mixture until it becomes quite thick. Pectin, sugar, and acid only form a gel once enough water has evaporated. Stopping early leaves the marmalade runny, while boiling too long can scorch the sugar and make it dark and sticky. Stir often near the end.

Swap the apple

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

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

Fit is the average pairing score against crab, 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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