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Dessert

Lemon Cream

A lemon custard made by simmering a mixture of grated lemon, sugar, eggs, and butter.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Lemon and butter are a kitchen classic. They rank in the top 16% of all ingredient pairs, and cooks put them together in 41,227 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Lemon Cream

Ingredients

Directions

  1. Grate the entire lemons.

  2. In a bowl, mix the grated lemons, sugar, beaten eggs, and melted butter.

  3. Place the bowl in a pot of boiling water.

  4. Let it stand until cool.

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 + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together41,227 recipes

    Shared aroma: 3-hexenal (apple, fruity).

  2. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  4. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

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

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

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
Their proteins set when gently heated, thickening the custard into a soft, sliceable texture.
Sugar
Adds sweetness that balances the sharp lemon and helps give the custard a smooth, tender body.
Lemons
Grated lemon provides acidity and aromatic oils from the zest, giving the custard its bright flavour.
Butter
Adds fat that makes the custard richer and gives it a smoother mouthfeel.

The step that matters

Place the bowl in a pot of boiling water. Egg proteins set gently when heated slowly, so the water bath keeps the custard smooth. Too much direct heat makes the eggs scramble and curdle instead of thickening evenly.

Swap the lemon

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

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

Fit is the average pairing score against sugar, egg, butter. 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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