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Roman Punch

A sparkling citrus punch made with lemon, orange, sugar, champagne, egg whites, and ice.

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

Ingredients

Directions

Make the base

  1. Grate the yellow rinds of the lemons and orange into a bowl with the sugar.

  2. Squeeze the juice of the lemons and orange over the sugar and let it stand until dissolved.

Finish and serve

  1. Strain the mixture and add the champagne and beaten egg whites.

  2. Serve chilled, optionally with finely broken ice.

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 + champagnetop 13% of all pairs
    Smell alikemoderate
    Cooked together260 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  3. Lemon + champagnetop 13% of all pairs
    Smell alikelow
    Cooked together404 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

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

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

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

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

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

Lemons
Juice adds sharp acidity that balances the sugar, and rind adds bright aroma.
Orange
Juice adds fruity sweetness and body, and rind adds aromatic citrus oils.
Sugar
Adds sweetness and, once dissolved in the juice, sweetens the whole punch evenly.
Champagne
Forms the main liquid and adds light sparkle and dry, fruity character.
Egg whites
Whipped into the punch to create a light, frothy texture.

The step that matters

Dissolving the sugar fully. Undissolved sugar leaves the punch gritty and unevenly sweet. Letting the sugar stand in the juice until dissolved ensures it is evenly distributed before the champagne and egg whites are added.

Swap the orange

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

  1. Orangethe original
  2. Raspberryfits about as well
  3. Vanillafits about as well
  4. Pineapplefits less well

Fit is the average pairing score against lemon, sugar, champagne, egg. 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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