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Dessert

Rhubarb Marmalade

A preserve made from rhubarb, sugar, citrus juice and rind, and walnuts, cooked until thick.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Rhubarb Marmalade

Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Rhubarb Marmalade

Ingredients

Directions

Prepare

  1. Wash and peel the rhubarb; cut it into 1‑inch pieces.

Cook

  1. Add the fruit juices, rind, and sugar; boil gently for 30 minutes.

  2. Add the walnuts, chopped; cook for an additional 10 to 15 minutes or until thick.

Jar

  1. Pour into sterilized jars and seal.

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.

Photo for illustrative purposes only · 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 their aromas overlap, and how often cooks already put them together.

  1. Orange + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  2. Rhubarb + orangetop 5% of all pairs
    Smell alikemoderate
    Cooked together299 recipes

    Shared aroma: 2-methoxy-4-vinylphenol (clove, smoky).

  3. Rhubarb + lemontop 7% of all pairs
    Smell alikestrong
    Cooked together546 recipes

    Shared aroma: acetic acid (sour, vinegar).

  4. Rhubarb + walnuttop 8% of all pairs
    Smell alikestrong
    Cooked together73 recipes

    Shared aroma: coumarin (sweet, hay).

  5. Lemon + walnuttop 10% of all pairs
    Smell alikestrong
    Cooked together2,149 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 the main body and tart flavour of the marmalade.
Sugar
Sweetens the fruit and helps it thicken as it cooks down.
Oranges
Adds juice and rind for bright, aromatic citrus flavour and some pectin.
Lemons
Adds acidity that balances the sweetness and supports setting.
Walnuts
Adds crunch and a nutty flavour that contrasts with the soft fruit.

The step that matters

Cooking until thick. Sugar and fruit pectin set as the mixture reduces, so stopping too early leaves a runny marmalade, while overcooking can make it stiff and sticky. Watch for thickening rather than relying only on time.

Swap the walnut

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

  1. Almondfits better
  2. Pistachiofits better
  3. Chestnutfits better
  4. Walnutthe original

Fit is the average pairing score against rhubarb, sugar, orange, 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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