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Orange Isinglass Jelly

A clear orange jelly made with isinglass, sugar, orange juice, lemon juice, and orange rind strips.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Orange Isinglass Jelly

Ingredients

Directions

Prepare

  1. Strain the orange juice through a sieve or muslin, then through a thick cloth or jelly bag.

  2. Dissolve the isinglass in the water and skim it well.

Make the jelly

  1. Add the sugar and orange rind strips to the mixture.

  2. Pour in the strained orange juice and stir well.

  3. Skim the mixture clean without boiling.

  4. Strain it again through a cloth or folded muslin.

Set

  1. When nearly cold, pour it into molds.

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 + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  2. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

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

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

Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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.
China orange juice
Main liquid base that gives the jelly its orange flavour and body.
Sugar
Adds sweetness and balances the sharpness of the citrus juice.
Lemon juice
Adds acidity that brightens the flavour and sharpens the orange taste.
Orange rind
Releases fragrant citrus oils that add aroma to the jelly.

The step that matters

Skim without boiling. Isinglass is a protein-based gelling agent, and boiling after skimming can cloud the jelly and weaken its set. Keeping the mixture below a boil keeps it clear and firm.

“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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