Why it works: Lemon and orange match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓
Lemonade
Ingredients
Directions
Prepare the base
Grate the rind of the lemons and orange into a large bowl.
Rub the zest and sugar together with the back of a spoon.
Squeeze in the juice of all the fruit.
Add the sugar and 2 cups of water, then beat until the sugar dissolves.
Stir in the remaining 2 cups of water and strain into a vessel with ice.
Serve
To serve, fill a glass three parts full, cover with a shaker, and shake to produce foam.
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.
Photo for illustrative purposes only · Contact us to use it
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 + orangetop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
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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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Orange + sugartop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
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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
- Lemons
- Provide the main sour juice and aromatic oils from the zest.
- Sugar
- Sweetens the drink and balances the sourness of the citrus.
- Egg whites
- Whipped by shaking to create a light, foamy texture on top.
The step that matters
Shake to produce foam. Egg white proteins trap air when shaken hard with ice, forming a stable foam. Too gentle a shake leaves the drink flat and without the light head.
Swap the orange
How well each one fits the dish's main ingredients (lemon, sugar, egg):
- Orangethe original
- Vanillafits about as well
- Limefits less well
- Raisinfits less well
Fit is the average pairing score against lemon, 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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