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Dessert

Cranberry Jelly

A gelatinous preserve made from cranberry juice, sugar, and isinglass.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Cranberry and sugar work together. They rank in the top 25% of all ingredient pairs, and cooks put them together in 374 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Cranberry Jelly

Ingredients

Directions

Prepare

  1. Soak the isinglass in cold water until soft.

  2. Heat the cranberry juice in a saucepan.

Make the jelly

  1. Add the softened isinglass and sugar to the juice.

  2. Stir until the sugar dissolves and bring to a boil.

  3. Strain the mixture into a mold and let it cool until set.

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. Cranberry + sugartop 25% of all pairs
    Smell alikelow
    Cooked together374 recipes

    Shared aroma: 2-nonenal (fatty, green).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Isinglass
Gelatin-like protein that sets the juice into a firm, sliceable jelly as it cools.
Cranberry juice
Forms the liquid base and provides the tart flavor of the jelly.
Granulated sugar
Sweetens the tart juice and adds body to the finished jelly.

The step that matters

Bringing the mixture to a boil after the sugar dissolves. Isinglass must be fully dissolved to set properly. Stirring until the sugar dissolves prevents grainy texture and ensures the mixture is evenly sweetened before it cools. Boiling helps the isinglass disperse completely, so the jelly sets firm rather than soft or uneven.

“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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