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Dessert

Orange Marmalade

A preserve made from orange rind, pulp, juice, apple liquor, and sugar boiled into a thick marmalade.

From an old cookbook · modernised transcription
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Why it works: Orange and apple match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 2,230 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Orange Marmalade

Ingredients

Directions

Prepare

  1. Grate the oranges and remove the pulp.

  2. Boil the rinds in water until very tender, then beat them finely in a mortar.

Make the marmalade

  1. In a pot, boil the sugar in water and skim it.

  2. Add the orange rind to the syrup and boil until very thick, stirring carefully.

  3. Remove the seeds from the pulp and juice, then add them along with the apple liquor to the pot.

  4. Boil gently until well jellied, about 30 minutes.

  5. Pour the marmalade into small pots.

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 + appletop 7% of all pairs
    Smell alikestrong
    Cooked together2,230 recipes

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

  2. Sugar + appletop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

  3. Sugar + orangetop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

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

Sugar and apple barely smell alike, yet cooks put them together in 16,478 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

Loaf sugar
Provides sweetness and, with the fruit pectin and acid, helps the marmalade set.
Orange rind
Supplies bitter aroma and the pectin-rich peel that gives body and texture.
Orange pulp
Adds fruit flavour and natural pectin to help the marmalade jell.
Orange juice
Adds acidity and citrus flavour, supporting setting and brightness.
Apple liquor
Adds extra pectin and fruit depth to help the marmalade jell.

The step that matters

Boil gently until well jellied. Sugar, pectin and acid must reach the right concentration to set. Boiling too briefly leaves it runny, while overboiling can make it stiff or caramelised.

Swap the orange

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

  1. Pearfits better
  2. Vanillafits better
  3. Apricotfits better
  4. Orangethe original

Fit is the average pairing score against sugar, apple. 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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