Why it works: Lemon and milk are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 19,053 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Lemon Puddlng
Ingredients
Directions
Make the lemon custard
In a saucepan, combine lemon juice, sugar, boiling water, egg yolk, cornstarch, and salt. Cook until thickened, then let cool.
Make the milk layer
In another saucepan, mix milk, sugar, and cornstarch. Cook until thick.
Remove from heat and fold in the beaten egg white.
Pour the milk mixture over the cooled lemon custard.
Serve
Serve cold.
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.
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Lemon + milktop 15% of all pairsSmell alikemoderateCooked together19,053 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Egg + milktop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
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Sugar + milktop 18% of all pairsSmell alikelowCooked together77,875 recipes
Shared aroma: 2-nonenal (fatty, green).
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Lemon + eggtop 19% of all pairsSmell alikelowCooked 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
- Cornstarch
- Thickens the custard and milk mixture as it cooks, giving them body.
- Egg yolk
- Enriches and thickens the lemon custard, adding richness and smoothness.
- Egg white
- Folded in whipped form to add lightness to the milk mixture.
- Lemon juice
- Provides the tart, acidic flavour that defines the pudding.
- Milk
- Forms the creamy base of the top layer and adds moisture and richness.
- Sugar
- Sweetens the custard and milk mixture and balances the lemon's acidity.
The step that matters
Cooking the lemon custard until thickened. Cornstarch thickens only when it reaches a boil and is stirred well, so undercooked starch leaves the custard thin. Egg yolk also needs gentle heat to thicken without scrambling.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, egg, milk):
- Vanillafits better
- Figfits about as well
- Raisinfits about as well
- Lemonthe original
Fit is the average pairing score against sugar, egg, milk. 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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