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Grapefruit Punch

A chilled grapefruit punch flavored with sherry or maraschino, sweetened with boiled sugar syrup, folded with egg whites, served with fruit garnish.

From an old cookbook · modernised transcription
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Why it works: Grapefruit and pineapple work together. They rank in the top 6% of all ingredient pairs, and cooks put them together in 95 recipes. Both carry ethyl isobutyrate, which smells fruity, ethereal. The science ↓

Grapefruit Punch

Ingredients

Directions

Prepare the punch

  1. Extract the juice from the grapefruit.

  2. Add boiled sugar syrup until sweetened to your taste.

  3. Flavor with sherry, maraschino, or your preferred wine.

Freeze and serve

  1. Freeze the mixture.

  2. Just before it hardens, fold in the well-beaten egg whites.

  3. Serve in sherbet glasses, garnished with strawberries and shredded pineapple.

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. Grapefruit + pineappletop 6% of all pairs
    Smell alikemoderate
    Cooked together95 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  2. Sugar + syruptop 6% of all pairs
    Smell alikestrong
    Cooked together5,842 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Sherry + pineappletop 7% of all pairs
    Smell alikemoderate
    Cooked together228 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  4. Grapefruit + sherrytop 15% of all pairs
    Smell alikemoderate
    Cooked together37 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  5. Syrup + pineappletop 19% of all pairs
    Smell alikelow
    Cooked together568 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

Grapefruit juice
Provides the main citrus flavor and acidity of the punch.
Boiled sugar syrup
Sweetens the punch and softens its texture as it freezes.
Sherry or maraschino
Adds aroma and depth of flavor to the punch.
Egg whites
Whipped into the partly frozen mixture to add lightness and a foamy texture.

The step that matters

Folding in the egg whites just before the mixture hardens. Egg whites hold air only when beaten to a stiff foam and folded in gently. If the mixture is already fully frozen, they cannot blend in evenly, and folding too vigorously knocks out the air, leaving the punch dense instead of light.

Swap the grapefruit

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

  1. Vanillafits better
  2. Figfits better
  3. Apricotfits better
  4. Grapefruitthe original

Fit is the average pairing score against sugar, syrup, sherry, egg, pineapple. 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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