Why it works: Cream and sugar are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 43,450 recipes. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓
Lemon Cream
Ingredients
Directions
Make the custard
Combine the cream, sugar, lemon peel and isinglass in a lined saucepan.
Simmer over gentle heat for about 10 minutes, stirring constantly.
Strain the milk into a jug, then add the beaten egg yolks.
Place the jug in a saucepan of boiling water.
Stir until thickened, but do not boil.
Remove from heat and stir until nearly cold.
Strain the lemon juice into a basin.
Gradually mix in the whipped cream and custard until well combined.
Mould and set
Prepare a well-oiled mould.
Pour the mixture into it.
Let it set completely.
Loosen the edges with a small, blunt knife.
Place a dish on top.
Quickly invert the mould to release the cream.
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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Cream + sugartop 9% of all pairsSmell alikemoderateCooked together43,450 recipes
Shared aroma: 2,3-butanedione (butter, sweet).
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Milk + lemontop 15% of all pairsSmell alikemoderateCooked together19,053 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + creamtop 18% of all pairsSmell alikemoderateCooked together29,399 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Milk + eggtop 18% of all pairsSmell alikemoderateCooked together88,785 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon 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
- Cream
- Adds richness and a smooth, soft texture to the set cream.
- Egg yolks
- Thicken the custard and add richness as they gently cook.
- White sugar
- Sweetens the cream and balances the sharpness of the lemon.
- Isinglass or gelatine
- Sets the mixture so it holds its shape when turned out of the mould.
- Milk
- Forms the liquid base of the custard, adding moisture and softness.
- Lemon
- Adds bright acidity and aroma that cut through the cream and sugar.
The step that matters
Stir the custard until thickened, but do not boil. Egg yolks thicken through gentle heat. If they get too hot, they scramble and curdle, leaving a grainy custard instead of a smooth one.
Swap the lemon
How well each one fits the dish's main ingredients (milk, cream, egg, sugar):
- Vanillafits better
- Strawberryfits better
- Raspberryfits better
- Lemonthe original
Fit is the average pairing score against milk, cream, 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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