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Rum Punch

A chilled rum punch made with water, sugar, pineapple juice, lemon juice, and rum.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Pineapple and rum work together. They rank in the top 2% of all ingredient pairs, and cooks put them together in 451 recipes. Both carry ethyl isobutyrate, which smells fruity, ethereal. The science ↓

Rum Punch

Ingredients

Directions

  1. Boil the water with the sugar until dissolved, then cool.

  2. Add the pineapple juice, lemon juice, and rum.

  3. Freeze the mixture until solid.

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. Pineapple + rumtop 2% of all pairs
    Smell alikemoderate
    Cooked together451 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  2. Pineapple + lemontop 12% of all pairs
    Smell alikemoderate
    Cooked together1,964 recipes

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

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

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

  4. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  5. Sugar + pineappletop 19% of all pairs
    Smell alikelow
    Cooked together4,841 recipes

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

Sugar and lemon 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

Sugar
Dissolved in boiling water to sweeten the punch and soften the frozen texture.
Rum
Adds flavor and, as alcohol, keeps the frozen mixture softer than plain ice.
Lemon juice
Adds acidity that brightens the sweetness of the sugar and pineapple juice.
Pineapple juice
Provides fruity flavor and liquid volume to the punch.

The step that matters

Freeze the mixture until solid. Alcohol and sugar lower the freezing point, so the punch sets more slowly and softer than water alone. Freezing it until fully solid and then breaking it up or scraping helps give a consistent texture rather than a hard, uneven block.

Swap the lemon

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

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

Fit is the average pairing score against sugar, pineapple, 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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