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Dessert

Isinglass Jelly

A jelly made by boiling isinglass and cloves, reducing, straining over sugar, and setting.

From an old cookbook · modernised transcription
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Why it works: Clove and sugar are a kitchen classic. They rank in the top 26% of all ingredient pairs, and cooks put them together in 17,182 recipes. Both carry 1-penten-3-one, which smells fish, pungent. The science ↓

Isinglass Jelly

Ingredients

Directions

  1. Combine isinglass and cloves in a gallon of water.

  2. Boil until reduced to half a gallon.

  3. Strain the mixture over 4 pounds of loaf sugar.

  4. Pour into molds and let 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. Clove + sugartop 26% of all pairs
    Smell alikelow
    Cooked together17,182 recipes

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

Clove and sugar barely smell alike, yet cooks put them together in 17,182 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
Gelatin-like protein that sets the liquid into a firm jelly as it cools.
Loaf sugar
Provides sweetness and bulk, and helps give the set jelly its body.
Cloves
Adds aromatic spice flavor to the infused liquid.

The step that matters

Boil until reduced to half a gallon. Boiling concentrates the isinglass and flavor. If the liquid is reduced too little, the jelly may not set firmly; if reduced too far, it may become overly stiff. Measure the volume carefully.

“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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