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Dessert

Lemon Cream

A chilled lemon custard made with eggs, sugar, lemon juice, and water.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 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 ↓

Lemon Cream

Ingredients

Directions

Make the custard

  1. Beat the egg yolks and sugar together in a bowl.

  2. Add the lemon juice and cold water, then simmer over low heat until it thickens.

Add the egg whites and chill

  1. Beat the egg whites until stiff, then gradually stir in 2 tablespoons of sugar.

  2. Fold the beaten egg whites into the warm custard mixture.

  3. Chill the mixture in the refrigerator 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

Eggs
Egg yolks thicken the custard as they set with heat, and whipped whites add lightness.
Sugar
Adds sweetness and helps stabilise the whipped egg whites.
Lemon
Provides the acidity and bright flavour that defines the custard.

The step that matters

Simmer over low heat until it thickens. Egg yolk proteins set gently at moderate temperatures. Too much heat can scramble the yolks and curdle the custard, so keep the heat low and stir steadily.

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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