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 ↓
Lemonade, Effervescing
Ingredients
Directions
Prepare
Rub the sugar on the lemon rind to release oils.
Mix the lemon juice and sugar in a large tumbler.
Make and serve
Pour in the cold or iced water.
Add the baking soda and stir well.
Serve immediately while effervescing.
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).
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
- Lemon juice
- Provides sourness and acidity, which reacts with the baking soda to produce the fizz.
- Sugar
- Adds sweetness that balances the tartness of the lemon juice.
- Baking soda
- Reacts with the lemon's acid to release carbon dioxide bubbles, creating the effervescence.
The step that matters
Serve immediately after adding the baking soda. The carbon dioxide formed when baking soda meets the lemon's acid escapes as gas quickly, so the fizz fades within minutes. Stir briefly, then serve before the lemonade goes flat.
“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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