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Orange Isinglass Jelly

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

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 the juice

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

Make the jelly

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

  2. Add the sugar and orange rind to the dissolved isinglass.

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

  4. Skim the mixture clean without boiling.

  5. Strain it again through a cloth or muslin.

Set in molds

  1. When nearly cold, pour the mixture 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
Gelatin-like setting agent that forms the jelly's firm structure as it cools.
Orange juice
Provides the main flavor and liquid base of the jelly.
Sugar
Adds sweetness and balances the tartness of the juice.
Lemon juice
Adds acidity to brighten the flavor of the orange.
Water
Dissolves the isinglass so it can be evenly distributed through the mixture.

The step that matters

Skim the mixture clean without boiling. Boiling can cloud the jelly and break down the setting power of isinglass, so the mixture should be skimmed gently and kept below a boil.

“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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