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Dessert

Egg Jelly

A gelatin dessert made with lemon juice, zest, egg yolks, and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Lemon and sugar 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. Soak the gelatine, water, lemon rind, and juice in a pan until the gelatine is soft.

Make the custard

  1. Bring to a boil while stirring continuously.

  2. Cool slightly, then add the well-beaten yolks and cook until the yolks thicken.

Strain and set

  1. Strain the mixture and pour it into molds when nearly cold.

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 + sugartop 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. Egg + sugartop 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

Gelatine
Sets the liquid into a firm, tender jelly as it cools.
Egg yolks
Thicken the mixture and add richness and a smooth, creamy body.
Lemon juice
Adds acidity that brightens the flavour and balances the sweetness.
Lemon rind
Adds fragrant citrus aroma from the oils in the peel.
Sugar
Adds sweetness to balance the lemon's acidity.

The step that matters

Cook the yolks gently after cooling. Egg yolk proteins set at moderate heat and can curdle or scramble if the mixture is too hot. Cooling it slightly first and stirring over gentle heat keeps the custard smooth and lets it thicken evenly.

Swap the lemon

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

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

Fit is the average pairing score against egg, 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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