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Dessert

Jelly

A fruit jelly made by dissolving isinglass and sugar in fruit juice and water, then setting.

From an old cookbook · modernised transcription
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Why it works: Orange and sugar are a kitchen classic. They rank in the top 20% of all ingredient pairs, and cooks put them together in 19,212 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Jelly

Ingredients

Directions

  1. Dissolve the isinglass and sugar in the fruit juice and water mixture.

  2. When nearly cold, pour the mixture into molds.

  3. Allow to set until firm.

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. Orange + sugartop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

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

Orange and sugar barely smell alike, yet cooks put them together in 19,212 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

Isinglass
Gelling agent that forms a firm, wobbly gel network as the liquid cools and sets.
Sugar
Adds sweetness and helps give the set jelly a smooth, clear texture.
Fruit juice
Supplies the main liquid and the fruit flavor of the jelly.

The step that matters

Pouring when nearly cold. The gel network forms as the mixture cools. Pour too hot and the jelly takes longer to firm up. Wait too long and it begins to set in the pan, so it will not fill the molds cleanly.

“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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