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Dessert

Isinglass Jelly

A clear jelly made from isinglass, lemon, spices, sugar, sherry, and egg whites.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Clove and cinnamon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,189 recipes. Both carry ethyl cinnamate, which smells sweet, balsamic. The science ↓

Isinglass Jelly

Ingredients

Directions

Prepare the liquid

  1. Dissolve the isinglass in 2 cups of cold water.

  2. Add the lemon rind, lemon juice, cloves, cinnamon, sugar, and sherry.

  3. Stir over low heat until combined, then add the egg whites and shells.

Clarify and set

  1. Whisk over heat until it boils, then let it stand for 5 minutes.

  2. Strain through muslin until clear.

  3. Pour into a mold filled with cold water, drained but not dried, and place in a cool area to 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 + cinnamontop 1% of all pairs
    Smell alikestrong
    Cooked together14,189 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  2. Lemon + cinnamontop 7% of all pairs
    Smell alikestrong
    Cooked together7,950 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  3. Lemon + clovetop 10% of all pairs
    Smell alikestrong
    Cooked together8,150 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  4. Cinnamon + sugartop 10% of all pairs
    Smell alikelow
    Cooked together30,779 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Clove + sherrytop 13% of all pairs
    Smell alikemoderate
    Cooked together1,237 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

Cinnamon and sugar 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
Sets the liquid into a firm, wobbly jelly as it cools.
Egg whites and shells
Clarify the liquid by coagulating and trapping cloudy particles for straining.
Sugar
Adds sweetness and body to the jelly.
Sherry
Adds flavour and aroma to the jelly.
Lemon
Adds acidity and fresh aroma from the juice and rind.

The step that matters

Whisk until it boils, then let it stand. Egg whites coagulate as they heat, trapping cloudy particles. Boiling and then standing lets them form a raft that can be strained out, so the jelly comes out clear. Skipping the full boil or the rest leaves it cloudy.

Swap the lemon

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

  1. Vanillafits better
  2. Figfits better
  3. Applefits better
  4. Lemonthe original

Fit is the average pairing score against clove, cinnamon, sugar, sherry, egg. 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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