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Dessert

Yellow Lemon Cream, Without Cream

A lemon custard made with lemon peel, water, sugar, and egg yolks, thickened over low heat.

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 ↓

Yellow Lemon Cream, Without Cream

Ingredients

Directions

Prepare

  1. Pare the lemons very thin and place the peels in a bowl with the water.

  2. Squeeze the juice of the lemons over the sugar and mix well.

Make the cream

  1. Beat the egg yolks until well combined, then add the lemon peels and juice mixture.

  2. Strain the mixture through a fine cloth into a saucepan.

  3. Set the saucepan over low heat and stir continuously until thick and hot, but do not let it boil.

  4. Pour the mixture into jelly glasses and 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. 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

Egg yolks
Their proteins thicken and set the cream as they gently heat.
Sugar
Sweetens the cream and balances the sharpness of the lemon.
Lemons
Juice adds sharp acidity, and the thin peel adds fragrant aroma.

The step that matters

Stir over low heat and do not let it boil. Egg yolks thicken as they warm, but overheating makes them curdle and turn grainy. Low heat with constant stirring warms the mixture evenly, so it thickens smoothly without scrambling.

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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