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Dessert

Punch Jelly

A jelly made from orange juice, lemon, sugar, isinglass, and water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

Punch Jelly

Ingredients

Directions

Prepare the juice and sugar

  1. Cut the oranges in half and squeeze the juice into an earthen pan using a lemon squeezer and silk sieve.

  2. Pour the infusion of orange peel into the pan through the sieve.

  3. Clarify the sugar by heating it without boiling.

  4. Add the orange juice to the clarified sugar.

Finish the jelly

  1. Skim off any yellow scum that forms.

  2. Mix in melted isinglass, ensuring the jelly is not too firm.

  3. If the oranges are too ripe, add a little lemon juice for acidity.

  4. Pour the jelly into a bag.

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

Oranges
Provide the juice and flavour that form the body of the jelly.
Sugar
Sweetens the jelly and helps it set firm and hold its shape.
Isinglass
Gelatin-like setting agent that firms the juice into a jelly.
Lemon
Adds acidity to balance sweetness when the oranges are overripe.

The step that matters

Mix in melted isinglass without overcooking. Isinglass is a gelling agent that sets when cooled. If the jelly is too hot or the isinglass is over-heated, it may lose setting strength, and if too much is used the jelly becomes overly firm and rubbery. Stirring it in evenly and checking the firmness keeps the set smooth.

“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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