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Isinglass Jelly

A gelatin dessert made with isinglass, sugar, egg whites, spices, and brandy.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Cinnamon and orange match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 3,437 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓

Isinglass Jelly

Ingredients

Directions

Prepare

  1. Soak the isinglass in water until soft.

  2. Dissolve the isinglass in the water over low heat.

Cook and strain

  1. Add sugar and spices, then bring to a boil for 15 minutes.

  2. Strain the mixture through a flannel bag.

Finish

  1. When nearly cool, stir in the brandy.

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. Cinnamon + orangetop 3% of all pairs
    Smell alikestrong
    Cooked together3,437 recipes

    Shared aroma: guaiacol (smoky, sweet).

  2. Cinnamon + macetop 10% of all pairs
    Smell alikemoderate
    Cooked together3,611 recipes

    Shared aroma: methyleugenol (clove, spice).

  3. Sugar + cinnamontop 10% of all pairs
    Smell alikelow
    Cooked together30,779 recipes

    Shared aroma: guaiacol (smoky, sweet).

  4. Cinnamon + brandytop 14% of all pairs
    Smell alikemoderate
    Cooked together3,199 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  5. Orange + brandytop 15% of all pairs
    Smell alikelow
    Cooked together2,706 recipes

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

Sugar and cinnamon barely smell alike, yet cooks put them together in 30,779 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 sets the liquid into a firm jelly as it cools.
Sugar
Adds sweetness and body to the jelly.
Brandy
Adds alcoholic aroma and flavour to the finished jelly.
Mace
Adds a warm, aromatic spice flavour to the jelly.

The step that matters

Stir in the brandy when nearly cool. Alcohol and its aroma evaporate when heated, so adding brandy late keeps more of its flavour. Adding it while the mixture is still hot would also lose much of its character.

Swap the mace

How well each one fits the dish's main ingredients (sugar, egg, cinnamon, orange, brandy):

  1. Nutmegfits better
  2. Cardamomfits better
  3. Clovefits better
  4. Macethe original

Fit is the average pairing score against sugar, egg, cinnamon, orange, brandy. 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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