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Dessert

Apple Jelly

A preserve made by boiling apples with water and sugar, then straining and cooking the juice.

From an old cookbook · modernised transcription
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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 ↓

Apple Jelly

Ingredients

Directions

Prepare

  1. Quarter the apples without peeling them.

  2. Add the water and bring to a boil.

  3. Boil rapidly for 30 minutes.

  4. Strain the mixture to collect the juice.

Make the jelly

  1. Add the sugar to the juice and boil again for 30 minutes.

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).

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

Apples
Provide natural pectin and acid that help the juice set into a jelly.
Loaf sugar
Sweetens the jelly and helps it set firm as the juice thickens.

The step that matters

Boil the juice after adding the sugar. The juice must reach a rolling boil so the pectin and sugar can work together to set the jelly. Too little boiling leaves it runny, while overboiling can make it stiff or caramelise the sugar.

“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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