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Dessert

Pineapple Jelly

A gelatine dessert set with lemon and sugar, with grated pineapple beaten in as it thickens.

From an old cookbook · modernised transcription
By Alexander, Agnes B. (Agnes Baldwin), 1875-1970 · From a historical cookbook (Internet Archive) · 5 ingredients
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Illustration of Pineapple JellyIllustration

Why it works: Lemon and pineapple are a kitchen classic. They rank in the top 9% of all ingredient pairs, and 1,962 recipes mention both. Both carry 2-nonenal, which smells fatty, green. The science ↓

The recipe

Ingredients

Contains: milk (auto-detected from the ingredients and method; we can miss things, so check labels)

Also mentioned in the method: cream

Directions

Prepare the gelatine

  1. Soak the gelatine in 1/4 cup cold water.

  2. Dissolve the gelatine in the boiling water.

  3. Add the sugar and lemon juice.

  4. Strain the mixture.

Set and finish

  1. When cool, set on ice for 4½ hours.

  2. When it thickens, beat in the grated pineapple that has been brought to boiling point.

By Alexander, Agnes B. (Agnes Baldwin), 1875-1970. 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. See the original page.

The picture is an illustration, not a photo of this recipe · 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 aroma chemistry they share, and how many recipes mention both.

  1. Lemon + pineappletop 9% of all pairs
    Aroma overlapmoderate
    Mentioned together1,962 recipes

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

  2. Sugar + lemontop 10% of all pairs
    Aroma overlaplow
    Mentioned together53,530 recipes

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

  3. Sugar + pineappletop 10% of all pairs
    Aroma overlapmoderate
    Mentioned together4,839 recipes

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

Sugar and lemon share little aroma chemistry, yet 53,530 recipes mention both: they likely 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

Gelatine
Forms the gel structure that sets the jelly as it cools.
Sugar
Adds sweetness and balances the tartness of the juices.
Lemon juice
Adds acidity that brightens the flavour and sharpens the sweetness.
Pineapple
Supplies the main fruit flavour and juice to the jelly.

The step that matters

Bring the grated pineapple to boiling point before adding it. Fresh pineapple contains enzymes that break down gelatine so it fails to set. Boiling deactivates these enzymes, so the jelly can firm up properly.

Flavor stand-ins for the lemon

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

  1. Vanillabetter flavor fit
  2. Strawberrybetter flavor fit
  3. Mangobetter flavor fit
  4. Lemonthe original

Fit is the average pairing score against sugar, pineapple. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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