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Grapefruit Punch

A chilled fruit punch made from grapefruit, pineapple, grapes, sugar, and water, finished with carbonated water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Pineapple and grape match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 709 recipes. Both carry 1-hexanal, which smells fruit. The science ↓

Grapefruit Punch

makes a quart

Ingredients

Directions

Prepare the base

  1. Remove the pulp from the grapefruits.

  2. Add the shredded pineapple, sugar, and water.

  3. Let the mixture stand for several hours.

  4. Strain through a fine sieve.

  5. Add enough water to make a quart.

  6. If not sweet enough, add sugar syrup to taste.

Finish and serve

  1. Just before serving, add the carbonated water and halved, seeded grapes.

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. Pineapple + grapetop 3% of all pairs
    Smell alikestrong
    Cooked together709 recipes

    Shared aroma: 1-hexanal (fruit).

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

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  3. Grapefruit + grapetop 8% of all pairs
    Smell alikemoderate
    Cooked together79 recipes

    Shared aroma: 1-p-menthene-8-thiol (grapefruit).

  4. Pineapple + sugartop 19% of all pairs
    Smell alikelow
    Cooked together4,841 recipes

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

  5. Sugar + grapetop 23% of all pairs
    Smell alikelow
    Cooked together7,490 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

Grapefruits
Provide the main citrus flavour and acidity that give the punch its character.
Shredded pineapple
Adds fruit flavour and sweetness while its juices soften and blend into the base.
Sugar
Adds sweetness that balances the sharp acidity of the grapefruit.
White grapes
Add juicy pieces and a mild sweetness that stay fresh when added at the end.

The step that matters

Add the carbonated water just before serving. Carbonation escapes quickly from liquid, especially when warm or stirred vigorously, so adding it late keeps the punch lively and fizzy.

Swap the grapefruit

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

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

Fit is the average pairing score against pineapple, sugar, grape. 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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