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 Drops
Ingredients
Directions
Prepare the lemon sugar
Wash and dry the lemons.
Rub the lemons on sugar and scrape the sugar off onto a sheet of paper until all the yellow is removed.
Make the drops
In a basin, beat the egg whites with a wooden spoon.
Gradually add the lemon sugar and more powdered sugar until the mixture can drop without running.
Add lemon juice to achieve desired acidity.
Drop the mixture onto sheets of white paper in sizes similar to sixpences.
Dry and store
Dry in a warm place or near the fire.
Once dry, store in glasses or boxes in a dry place.
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 whites
- Whipped into a foam that gives the drops their light, crisp structure as they dry.
- Powdered sugar
- Adds sweetness and bulk, helping the mixture hold its shape without running.
- Sugar
- Absorbs the lemon oil from the skins, carrying the lemon aroma into the mixture.
- Lemon juice
- Adds acidity that balances the sweetness and brightens the flavour.
The step that matters
Gradually add the sugar until the mixture can drop without running. Egg white foam is fragile and loses air if overmixed or overloaded with sugar. Adding sugar slowly keeps it stiff enough to hold a drop shape, so the drops dry crisp rather than spreading flat.
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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