Why it works: Sugar and lemon 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
Soak the gelatine in 1 pint of cold water for 10 minutes.
Add 1 pint of boiling water and 1 cup of sugar; flavor with lemon juice or citric acid.
Boil for 3-4 minutes, then let it cool.
Slowly stir in the beaten egg yolks.
Heat again until it comes to a boil.
Stir in the beaten egg whites and pour into a mold.
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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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 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).
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Sugar + eggtop 21% of all pairsSmell alikemoderateCooked together122,807 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
- Gelatine
- Sets the liquid into a firm, sliceable structure as it cools.
- Egg yolks
- Thicken the mixture and add richness when gently heated.
- Egg whites
- Add airy lightness and a softer, foamy texture to the set cream.
- Sugar
- Adds sweetness and balances the sharpness of the lemon.
- Lemon juice or citric acid
- Adds bright acidity and fresh lemon flavor.
The step that matters
Stir in the beaten egg yolks slowly. Adding hot yolks too quickly can scramble them into lumps. Adding them slowly while stirring and letting the mixture cool first helps them blend smoothly and thicken it evenly.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, egg):
- Vanillafits better
- Raisinfits about as well
- Lemonthe original
- 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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