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Dessert

Punch Jelly

A gelatin dessert made with water, lemon juice, sugar, egg whites, and arack or rum.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Sugar and rum are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 2,908 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Punch Jelly

Ingredients

Directions

Prepare

  1. Boil the water and prepare as usual.

  2. Add the lemon juice to the clarified water.

  3. Strain the mixture and add the sugar.

  4. Beat the egg whites and add them to the mixture.

Cook and set

  1. Let it boil gently for 1 hour, stirring frequently.

  2. Strain through a flannel bag.

  3. Pour into a mold and let it cool.

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. Sugar + rumtop 14% of all pairs
    Smell alikelow
    Cooked together2,908 recipes

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

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

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

  3. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

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

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

  5. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

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

Egg whites
Help clarify the mixture as they coagulate and rise, trapping impurities for a clear jelly.
Sugar
Adds sweetness and body, and helps the jelly set firm when cooled.
Lemons
Add acidity and bright flavour, balancing the sugar.
Arack
Adds aroma and spirit flavour to the jelly.

The step that matters

Let it boil gently for 1 hour, stirring frequently. Egg whites must be heated slowly so they coagulate and clarify the liquid rather than cloud it. Boiling too hard or stirring too little can break up the coagulated whites and leave the jelly cloudy or scorched on the bottom.

Swap the lemon

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

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

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