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Dessert

Rhubarb Conserve

A sweet preserve made from boiled rhubarb, sugar, orange zest, lemon juice, walnuts, and raisins.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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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 Conserve

Ingredients

Directions

  1. Boil rhubarb, sugar, orange, and lemon juice for about 30 minutes.

  2. Add walnuts and raisins, then boil for an additional 20 to 30 minutes until thick enough to put in 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. 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. Rhubarb + raisintop 9% of all pairs
    Smell alikemoderate
    Cooked together47 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

What each ingredient does

Rhubarb
Provides the bulk and tart flavour that the sugar balances as it cooks down.
Sugar
Sweetens the preserve and, as it thickens with the fruit, helps it set.
Walnut meats
Adds crunch and nutty richness that contrasts with the soft, cooked fruit.
Raisins
Add chewy sweetness and body as they soften in the syrup.

The step that matters

Boiling until thick enough. Rhubarb releases water as it cooks, and the sugar only thickens the preserve once enough liquid has evaporated. Stopping too early leaves a runny preserve, while boiling too long can make it stiff and dark. Checking that it coats a spoon helps the cook judge when it is ready.

Swap the raisin

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

  1. Limefits better
  2. Figfits better
  3. Vanillafits better
  4. Raisinthe original

Fit is the average pairing score against rhubarb, sugar, walnut, meat, 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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