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Dessert

Lemon Cream in Glasses

A chilled lemon custard dessert served in individual glasses.

From an old cookbook · modernised transcription
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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 ↓

Lemon Cream in Glasses

Ingredients

Directions

Make the custard

  1. Combine the lemon peel, lemon juice, water, egg whites and beaten egg yolk in a saucepan.

  2. Stir over low heat until thickened like cream.

Strain and serve

  1. Strain the mixture and pour it into glasses.

  2. Let it cool before serving.

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

Egg whites
Proteins set as they heat, giving the cream its thick, light body.
Egg yolk
Adds richness and helps the mixture thicken into a smooth, creamy texture.
Lemon juice
Provides the sharp acidity that defines the flavour of the cream.
Lemon peel
Its oils add a bright, aromatic lemon fragrance to the mixture.

The step that matters

Stirring over low heat until thickened. Egg proteins set at a moderate temperature. High heat or too long on the stove can curdle or scramble the eggs, leaving a grainy texture instead of a smooth cream.

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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