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Dessert

Paradise Jelly

A fruit jelly made from apples, cranberries, and quinces, sweetened with sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Apple and quince work together. They rank in the top 1% of all ingredient pairs, and cooks put them together in 506 recipes. Both carry ethyl isobutyrate, which smells fruity, ethereal. The science ↓

Paradise Jelly

Ingredients

Directions

Prepare the fruit

  1. Wash the fruit.

  2. Core the apples and quinces, but do not peel them.

  3. Place all the fruit in a pot and add enough water to cover.

Cook and strain

  1. Cook until the fruit is soft.

  2. Strain off the juice.

Make the jelly

  1. For every pint of juice, add 1 pound of sugar and proceed to make jelly.

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 + quincetop 1% of all pairs
    Smell alikemoderate
    Cooked together506 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

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

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

  3. Quince + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together1,444 recipes

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

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 acidity that help the juice set into jelly.
Quinces
Contribute high natural pectin, which helps the jelly firm up as it sets.
Cranberries
Add tartness and acidity that balance sweetness and support gelling.
Sugar
Adds sweetness and, with pectin and acid, helps the juice gel and keeps the jelly stable.

The step that matters

Adding the sugar to the juice. Sugar must be measured against the juice volume as the record directs. Pectin and acid need the right sugar balance to form a firm gel. Too little sugar can leave the jelly soft, while too much can make it overly stiff or cause crystals to form.

Swap the quince

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

  1. Pearfits better
  2. Vanillafits about as well
  3. Apricotfits about as well
  4. Quincethe original

Fit is the average pairing score against apple, 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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