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Punch Jelly

Punch Jelly is a gelatinous punch made with isinglass, water, lemon peel, rum, brandy, lemon juice, and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Rum and brandy are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 1,058 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Punch Jelly

Ingredients

Directions

Prepare the isinglass

  1. Dissolve isinglass in water with lemon peel.

Combine and heat

  1. In a bowl, mix rum, brandy, lemon juice, and sugar.

  2. Strain the dissolved isinglass mixture into the bowl.

  3. Heat the mixture gently without boiling.

Settle and set

  1. Let it settle, then strain and pour into a mold.

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. Rum + brandytop 5% of all pairs
    Smell alikemoderate
    Cooked together1,058 recipes

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

  2. Rum + sugartop 14% of all pairs
    Smell alikelow
    Cooked together2,908 recipes

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

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

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

  4. Brandy + sugartop 19% of all pairs
    Smell alikelow
    Cooked together11,939 recipes

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

  5. Lemon + rumtop 19% of all pairs
    Smell alikemoderate
    Cooked together1,341 recipes

    Shared aroma: alpha-pinene (pine, turpentine).

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, sliceable jelly.
Rum
Adds alcohol, aroma and depth of flavour to the jelly.
Brandy
Adds alcohol, warmth and aroma to the jelly.
Lemon juice
Provides acidity that brightens the flavour and balances the sugar.
Fine loaf sugar
Adds sweetness to balance the acidity and alcohol.

The step that matters

Heat the mixture gently without boiling. Boiling can weaken the gelling power of isinglass, a collagen-based gelatin, and drives off alcohol and delicate aroma. Gentle warming dissolves the mixture while keeping the set firm and the flavour intact.

Swap the lemon

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

  1. Vanillafits better
  2. Pineapplefits better
  3. Apricotfits better
  4. Lemonthe original

Fit is the average pairing score against rum, brandy, sugar. 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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