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Pineapple Frappe

A frozen pineapple beverage made with pineapple, sugar, water, and lemon juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Pineapple and lemon are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 1,964 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Pineapple Frappe

Ingredients

Directions

Prepare the syrup

  1. Grate the pineapple after peeling and coring it.

  2. In a saucepan, combine sugar and 1 pint of water; boil for 5 minutes and let cool.

Freeze and serve

  1. Add lemon juice, grated pineapple, and 1 quart of water to the syrup.

  2. Pour the mixture into a freezer and freeze until it reaches a mushy consistency.

  3. Serve in small glasses.

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 + lemontop 12% of all pairs
    Smell alikemoderate
    Cooked together1,964 recipes

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

  2. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

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

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

Sugar and lemon 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

Sugar
Dissolves into the water to make a syrup that sweetens the frappe and keeps it from freezing rock-hard.
Pineapple
Provides the main fruit flavour and juice, adding sweetness and acidity to the frozen mixture.
Lemon juice
Adds acidity that brightens the flavour and balances the sweetness of the sugar and pineapple.

The step that matters

Freezing to a mushy consistency. Sugar lowers the freezing point and ice crystals form as the water freezes. Checking the mixture while it freezes and stirring or breaking up the crystals keeps it slushy rather than solid.

Swap the pineapple

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

  1. Orangefits better
  2. Limefits better
  3. Vanillafits better
  4. Pineapplethe original

Fit is the average pairing score against sugar, lemon. 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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