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Rhubarb and Pineapple Marmalade

A preserve made from rhubarb, pineapple, and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Rhubarb and pineapple share more aroma than cooks usually use. They rank in the top 10% of all ingredient pairs, and cooks put them together in 56 recipes. Both carry methyl cinnamate, which smells strawberry. The science ↓

Rhubarb and Pineapple Marmalade

Ingredients

Directions

Prepare

  1. Chop the rhubarb into fine pieces without peeling.

  2. Dice the pineapple and add it to the rhubarb.

  3. Cover the mixture with sugar and let it stand overnight.

Cook

  1. Cook slowly, stirring frequently, until it reaches the consistency of marmalade.

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. Rhubarb + pineappletop 10% of all pairs
    Smell alikestrong
    Cooked together56 recipes

    Shared aroma: methyl cinnamate (strawberry).

  2. Rhubarb + sugartop 18% of all pairs
    Smell alikemoderate
    Cooked together1,852 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

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

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

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Rhubarb
Provides tart acidity and structure that gives the marmalade its characteristic bite.
Pineapple
Adds sweetness and aroma, and its fruit pectin helps the marmalade thicken.
Sugar
Draws moisture out of the fruit and, as it cooks down, helps the mixture set into a thick spread.

The step that matters

Cook slowly, stirring frequently. Sugar and fruit can scorch on the bottom of the pan if heat is too high or stirring is neglected. Slow cooking lets water evaporate evenly while the pectin and sugar concentrate enough to set the marmalade.

Swap the pineapple

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

  1. Vanillafits better
  2. Figfits better
  3. Quincefits better
  4. Pineapplethe original

Fit is the average pairing score against rhubarb, 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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