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To Preserve Crab Apples

A preserve made by boiling crab apples in a sugar syrup.

From an old cookbook · modernised transcription
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Why it works: Sugar and apple 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 ↓

To Preserve Crab Apples

Ingredients

Directions

Make the preserve

  1. Make a syrup by dissolving 1 pound of sugar in water.

  2. Skim the syrup, then add the crab apples.

  3. Boil the apples until they are clear.

Finish

  1. Optionally, reserve the syrup for making cordial.

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. Sugar + appletop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

  2. Sugar + crabtop 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).

Sugar and apple 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

Sugar
Dissolves into syrup that sweetens the fruit and helps preserve it.
Crab apples
Provide the fruit, which becomes tender and clear as it cooks in the syrup.

The step that matters

Boil the apples until they are clear. Boiling too briefly leaves the fruit firm and opaque, while overcooking breaks it down. Clearing happens as sugar replaces water in the fruit tissue, so the apples need steady simmering in the syrup until they turn translucent.

Swap the apple

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

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

Fit is the average pairing score against sugar, crab. 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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