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 ↓
Orange Charlotte
Ingredients
Directions
Make the orange jelly
Soak the gelatine in cold water until soft.
Pour the boiling water over the gelatine, then add the sugar and lemon juice.
Strain the mixture and add the orange juice, pulp, and a little grated rind.
Cool the mixture in a pan of ice water.
Set and serve
Beat the egg whites until stiff.
When the orange jelly begins to harden, fold in the beaten egg whites until well combined.
Pour the mixture into a mould lined with lady-fingers or orange sections.
Optionally, top with whipped cream after removing from the mould.
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 + orangetop 1% of all pairsSmell alikestrongCooked together10,634 recipes
Shared aroma: 3-hexenal (apple, fruity).
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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 + orangetop 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).
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 juice into a firm, sliceable jelly that holds its shape when unmoulded.
- Egg whites
- Whipped to stiff foam that lightens the jelly and gives it an airy, fluffy texture.
- Sugar
- Sweetens the jelly and balances the sharp citrus flavour.
- Orange juice and pulp
- Provides the main orange flavour and body of the jelly.
The step that matters
Fold the egg whites in as the jelly begins to set. If the jelly is still liquid, the whites deflate and the mixture separates; if it is too firm, the whites won't blend evenly and lumps form. Chilling to a thick, syrupy stage keeps the foam stable while it is folded in.
Swap the orange
How well each one fits the dish's main ingredients (sugar, lemon, egg):
- Orangethe original
- Vanillafits about as well
- Limefits less well
- Raisinfits less well
Fit is the average pairing score against sugar, lemon, 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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