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 ↓
Lemon Cream
Ingredients
Directions
Prepare the base
Combine 1 pint water, juice of 2 lemons, and peel of 2 lemons in a pot.
Sweeten the mixture to taste.
Heat the mixture over the fire.
Make the cream
Gradually add the beaten egg whites while stirring continuously.
Add the beaten egg yolks and keep stirring until thickened enough to prevent curdling.
Serve
Pour the lemon cream into glasses and serve.
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 + sugartop 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).
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
- Thicken the mixture as they set with gentle heat, giving the cream its body.
- Egg whites
- Add airy lightness and help bind the cream as they cook into the warm mixture.
- Lemon juice
- Provides sharp acidity that balances the sweetness and gives the cream its flavour.
- Sugar
- Adds sweetness to balance the sharpness of the lemon.
The step that matters
Adding the eggs to the hot mixture. Egg proteins set at moderate heat, so stirring constantly while adding the beaten eggs keeps them evenly dispersed and prevents curdling into lumps.
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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