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Dessert

Egg Jelly

A gelatin dessert made with egg yolk, lemon, sugar, and water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Sugar and lemon are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 53,532 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Egg Jelly

Ingredients

Directions

Prepare

  1. Rub the lump of sugar on the lemon rind.

  2. In a saucepan, combine the gelatine, sugar, lemon rind, and ½ pint of water.

Make the jelly

  1. Stir over heat until dissolved.

  2. Squeeze the juice from the lemon and add enough water to make a total of ¼ pint.

  3. Add the lemon juice and the beaten yolk of the egg to the saucepan.

  4. Bring to a boil, then remove from heat.

Set

  1. Fold in the stiffly beaten egg whites and pour into molds.

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. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

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

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

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

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

Sugar and lemon 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

Gelatine
Sets the liquid into a firm, wobbly jelly as it cools.
Egg
The yolk thickens and enriches the mixture, and the whites add lightness to the set jelly.
Sugar
Adds sweetness and balances the sharpness of the lemon.
Lemon
Its juice adds acidity, and the rind adds fragrant citrus aroma.

The step that matters

Fold in the stiffly beaten egg whites. Whites hold air through their set protein structure. Folding gently keeps that air in, while stirring hard deflates the foam and leaves a denser, less light jelly.

Swap the lemon

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

  1. Vanillafits better
  2. Raisinfits about as well
  3. Lemonthe original
  4. Datesfits less well

Fit is the average pairing score against 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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