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Drink

One Gallon Roman Punch

A citrusy punch made with lemon juice, brandy, rum, water, sugar, and ice.

From an old cookbook · modernised transcription
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Why it works: Brandy and rum 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 ↓

One Gallon Roman Punch

Ingredients

Directions

Make the punch

  1. Grate the rind of two lemons onto sugar and mix well.

  2. In a large bowl, combine lemon juice, brandy, rum, and water.

  3. Add the sugar mixture and stir until dissolved.

Serve

  1. Serve over ice to chill.

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. Brandy + rumtop 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

Sugar
Sweetens the punch and balances the acidity of the lemon juice.
Lemon juice
Provides the sharp acidity that gives the punch its character.
Brandy
Adds spirit strength and aroma to the punch.
Rum
Adds spirit strength and a warm, rounded flavour.

The step that matters

Dissolve the sugar fully. Sugar dissolves more readily in liquid that is stirred well and not chilled, so stirring until fully dissolved prevents grainy sweetness and an uneven punch.

Swap the lemon

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

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

Fit is the average pairing score against brandy, rum, 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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