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Dessert

Porter Apple Jelly

A jelly made from porter apples, water, and sugar, cooked until the apples soften and the mixture turns deep red.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 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 ↓

Porter Apple Jelly

Ingredients

Directions

Prepare the apples

  1. Wash the porter apples and place them whole in a kettle.

Make the juice

  1. Cover the apples with water and cook until soft.

  2. Drain the mixture through a sieve without pressing it.

Make the jelly

  1. For each pint of juice, add one pound of sugar.

  2. Boil the mixture for a long time until it turns a deep red.

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

Porter apples
Provide natural pectin and acidity that help the juice set into jelly.
Sugar
Adds sweetness and helps the jelly set and keep its texture.

The step that matters

Boil until deep red. Long boiling evaporates water and concentrates the sugar and pectin so the jelly can set. Stopping too early leaves it runny, while overcooking can darken and stiffen it too much.

“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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