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Dessert

Rhubarb and Orange Jam

A jam made from rhubarb, orange pulp and juice, 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 orange work together. They rank in the top 5% of all ingredient pairs, and cooks put them together in 299 recipes. Both carry 2-methoxy-4-vinylphenol, which smells clove, smoky. The science ↓

Rhubarb and Orange Jam

Ingredients

Directions

Prepare the fruit

  1. Wipe the rhubarb clean and dry, then cut it into fine pieces without peeling.

  2. Peel the oranges, remove the white under-skin, take out the seeds, and divide the oranges into quarters.

  3. Open each carpel to extract the pulp, saving all the juice.

Cook the jam

  1. Combine the rhubarb, orange pulp, juice, and sugar in a pot.

  2. Stir until the sugar is melted, then cook slowly until it thickens.

Jar

  1. Transfer to jars and cover with oiled or waxed paper.

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

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

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

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

  3. Orange + sugartop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

    Shared aroma: beta-damascenone (apple, rose).

Orange and sugar barely smell alike, yet cooks put them together in 19,212 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

Rhubarb
Provides tart flavor and body as its fibers break down during slow cooking.
Oranges
Add sweetness, aroma, and acidity that balance the rhubarb's tartness.
Granulated sugar
Sweetens the jam and helps it thicken as the mixture reduces.

The step that matters

Cook slowly until it thickens. Sugar must fully dissolve before slow cooking so it does not crystallize. Gentle heat lets the pectin in the fruit and the sugar concentration build a thick set without scorching.

Swap the orange

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

  1. Vanillafits better
  2. Figfits about as well
  3. Quincefits about as well
  4. Orangethe 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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