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Dessert

Marmalade, Orange and Lemon, Excellent

A preserved citrus spread made from oranges, bitter oranges, and lemons with sugar and water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

Marmalade, Orange and Lemon, Excellent

Ingredients

Directions

Prepare the fruit

  1. Grate the rinds of the fruit into a basin with water, avoiding the white part.

  2. Scoop out the soft pulp into another basin.

  3. Place the pips of the oranges in a separate vessel, cover with boiling water, and let sit for a few hours.

Combine and cook

  1. Strain the water from the pips through a sieve and add the pulp and rind mixture.

  2. Weigh the mixture and add 1 pound 2 ounces of sugar for every pound of fruit.

  3. Boil everything together until it reaches a firm marmalade consistency.

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. Orange + bitter orangetop 17% of all pairs
    Smell alikelow
    Cooked together23 recipes

    Shared aroma: acetal (cream, earthy).

  3. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  4. Bitter orange + lemontop 19% of all pairs
    Smell alikelow
    Cooked together21 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

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

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

Lemon and sugar barely smell alike, yet cooks put them together in 53,532 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

Sugar
Preserves the marmalade and helps it set into a firm, spreadable gel.
Bitter oranges
Their pectin-rich pips and pulp help the marmalade set, and their sharp flavour balances the sweetness.
Lemons
Add acidity and additional pectin, which supports gel formation and brightens the flavour.

The step that matters

Boiling to a firm set. Marmalade sets when pectin, acid and sugar reach the right balance at a high enough concentration. Boiling too briefly leaves it runny, while overboiling can darken and toughen it.

Swap the bitter orange

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

  1. Limefits better
  2. Vanillafits better
  3. Blueberryfits better
  4. Bitter orangethe original

Fit is the average pairing score against orange, lemon, 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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