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Crab-apple Marmalade

A sweet preserve made from crab apples and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 2 ingredients
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Why it works: Apple and sugar are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 16,478 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Crab-apple Marmalade

Ingredients

Directions

  1. Boil the crab apples in just enough water to prevent burning, keeping them covered.

  2. When soft, strain the crab apples and add an equal quantity of sugar.

  3. Put the mixture over low heat and stir constantly until thick.

  4. To test, let a little cool before removing from heat; it should cut smooth when done.

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

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

  2. Crab + sugartop 19% of all pairs
    Smell alikemoderate
    Cooked together407 recipes

    Shared aroma: hexanal (grass, green).

  3. Crab + appletop 22% of all pairs
    Smell alikelow
    Cooked together343 recipes

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

Apple and sugar barely smell alike, yet cooks put them together in 16,478 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 the pectin and tart flavour that give the marmalade its body and taste.
Sugar
Adds sweetness and helps the mixture thicken and set as it cooks down.

The step that matters

Stirring over low heat until thick. Sugar and fruit pectin thicken as water evaporates, but high heat or no stirring can scorch the sugar and fruit at the bottom of the pan, giving a burnt taste.

Swap the apple

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

  1. Raisinfits better
  2. Lemonfits better
  3. Vanillafits better
  4. Applethe original

Fit is the average pairing score against crab, sugar. 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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