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Roman Punch

A chilled citrus punch with lemon, orange, syrup, and rum.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Roman Punch

Why it works: Lemon and orange 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 ↓

Roman Punch

Oven, in the book's wordsA good oven

Ingredients

Directions

Make the punch

  1. Make iced lemon by mixing 1 quart of lemon juice with 1 quart of syrup.

  2. Add the juice of 4 oranges, grated lemon and orange rind, and 1 ½ cups of rum.

Freeze and serve

  1. Put the mixture in a freezer and stir while freezing.

  2. Serve when it is still liquid and frothy, not frozen hard.

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.

Photo for illustrative purposes only · Contact us to use it

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. Lemon + orangetop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  2. Orange + rumtop 12% of all pairs
    Smell alikemoderate
    Cooked together801 recipes

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

  3. Syrup + rumtop 17% of all pairs
    Smell alikelow
    Cooked together367 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

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

  5. Lemon + syruptop 20% of all pairs
    Smell alikelow
    Cooked together2,235 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Lemon juice
Provides the sharp acidity that defines the punch's flavor.
Syrup
Adds sweetness to balance the acidic citrus juices.
Rum
Adds aroma and flavor, and lowers the freezing point so the punch stays slushy.
Orange juice
Adds extra citrus acidity and fruity sweetness.

The step that matters

Serve while still liquid and frothy. Alcohol and sugar lower the freezing point, so the mixture stays slushy longer. If it freezes hard, it becomes difficult to scoop and loses its light, frothy texture.

Swap the lemon

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

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

Fit is the average pairing score against syrup, orange, 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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