Why it works: Rum and champagne match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 137 recipes. Both carry ethyl isobutyrate, which smells fruity, ethereal. The science ↓
Punch a LA Romaine — Roman Punch Ice
Ingredients
Directions
Make the ice
Make a quart of lemon ice.
Flavor the lemon ice with rum, brandy, champagne, and Maraschino.
Make the meringue
When frozen, whip the egg whites to a strong froth.
Boil the sugar until it reaches the ball stage, then rub it against the sides of the pot to grain it.
When the sugar turns white, quickly mix it with the whipped egg whites.
Combine and serve
Stir the mixture lightly into the lemon ice.
Once cold, mix well and serve in glasses.
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.
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Rum + champagnetop 2% of all pairsSmell alikestrongCooked together137 recipes
Shared aroma: ethyl isobutyrate (fruity, ethereal).
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Rum + brandytop 5% of all pairsSmell alikemoderateCooked together1,058 recipes
Shared aroma: beta-damascenone (apple, rose).
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Brandy + champagnetop 5% of all pairsSmell alikemoderateCooked together169 recipes
Shared aroma: ethyl cinnamate (sweet, balsamic).
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Lemon + champagnetop 13% of all pairsSmell alikelowCooked together404 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
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Rum + sugartop 14% of all pairsSmell alikelowCooked together2,908 recipes
Shared aroma: beta-damascenone (apple, rose).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Lemon ice
- Provides the cold, frozen base and the bright citrus flavor of the punch.
- Egg whites
- Whipped into a froth, they add lightness and an airy, foamy texture to the punch.
- Sugar
- Boiled and grained, it adds sweetness and helps form the crystalline texture folded into the punch.
- Rum
- Adds spirited depth and aroma to the lemon ice.
- Brandy
- Adds warmth and aromatic depth to the lemon ice.
The step that matters
Stirring the sugar and whipped whites into the lemon ice. The mixture must be folded in lightly while the ice is still frozen and the froth is intact. Stirring too hard deflates the whipped egg whites and melts the ice, leaving a thin, watery punch instead of a light, airy one.
Swap the lemon
How well each one fits the dish's main ingredients (rum, brandy, champagne, egg, sugar):
- Vanillafits better
- Pineapplefits better
- Strawberryfits better
- Lemonthe original
Fit is the average pairing score against rum, brandy, champagne, egg, 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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