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Orange Jelly Marmalade

A marmalade made from bitter oranges, sweet oranges, and lemons with sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Lemon and orange 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 Jelly Marmalade

Ingredients

Directions

Prepare the fruit

  1. Cut the fruit into chips.

Cook and set

  1. Boil the fruit with water until reduced by half.

  2. Strain the mixture.

  3. Add 1 lb. of loaf sugar for each pint of liquid.

  4. Boil hard for 1 to 2 hours until it jellies.

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. Lemon + orangetop 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. 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

Bitter oranges
Provide the bitter peel and pectin that give marmalade its characteristic flavor and set.
Sweet oranges
Add mild sweetness and body to the marmalade.
Lemons
Add acidity and additional pectin to help the marmalade set.
Sugar
Sweetens the marmalade and helps it gel as it cooks down.

The step that matters

Boil hard until it jellies. Sugar and pectin only set when the mixture reaches a high enough concentration. Boiling too briefly leaves it runny, while overcooking can make it stiff, so the cook must watch for the set point.

Swap the bitter orange

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

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

Fit is the average pairing score against lemon, orange, 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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