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Dessert

Lemon and Orange Jelly

A clear jelly made from lemon and orange rinds, hartshorn shavings, sugar, and egg whites.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 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 ↓

Lemon and Orange Jelly

Ingredients

Directions

Make the jelly base

  1. Boil the rinds of the lemon and orange with hartshorn shavings and water.

  2. Once boiled, strain the liquid and let it cool.

  3. Add the lemon and orange juice to the cooled liquid.

Clarify and serve

  1. Boil the mixture again with sugar and the frothed egg whites without stirring.

  2. Strain through a jelly bag into a pan.

  3. Fill glasses with the jelly using a spoon.

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

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

  3. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

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

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

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

  5. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

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

Hartshorn shavings
Provides gelling power so the liquid sets into a firm jelly when cooled.
Egg whites
Collect impurities as they cook, clarifying the jelly so it strains clear.
Sugar
Adds sweetness and body to balance the sharp citrus juices.
Lemon and orange juice
Supply acidity and bright citrus aroma that define the jelly's flavor.

The step that matters

Boil the mixture again without stirring. Stirring while the egg whites rise breaks up the coagulating foam, so impurities are not trapped and the jelly stays cloudy instead of clear.

Swap the orange

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

  1. Orangethe original
  2. Vanillafits about as well
  3. Limefits less well
  4. Raisinfits less well

Fit is the average pairing score against lemon, sugar, egg. 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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