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Dessert

Orange Marmalade

A preserve made from bitter and sweet oranges, lemons, water, sugar, and whisky.

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 ↓

Orange Marmalade

Ingredients

Directions

Prepare the fruit

  1. Slice the fruit thinly across the grain and remove all seeds.

  2. Place the sliced fruit in a deep dish with 4 quarts of water and let it stand for 24 hours.

Cook the marmalade

  1. Add 8 pounds of granulated sugar to the mixture.

  2. Boil for 1 hour or until it reaches a jelly consistency.

  3. Before removing from heat, add ⅓ cup of whisky to clarify.

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. Bitter orange + 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. Orange + whiskytop 18% of all pairs
    Smell alikemoderate
    Cooked together187 recipes

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

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

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

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

Bitter oranges
Provide the pectin and bitter peel that give marmalade its set and characteristic flavour.
Granulated sugar
Sweetens the marmalade and helps it set into a jelly as it boils.
Whisky
Added near the end to clarify the marmalade and contribute aroma.

The step that matters

Boiling until a jelly consistency. Sugar, pectin and acid must reach the right concentration to set. Too little boiling leaves the marmalade runny, while overcooking can darken and stiffen it.

Swap the bitter orange

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

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

Fit is the average pairing score against orange, lemon, sugar, whisky. 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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