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 Jelly
Ingredients
Directions
Prepare
Soak the gelatine in cold water for 1 hour, enough to cover it.
Make the jelly
Add the boiling water, lemon juice, and sugar to the soaked gelatine.
Heat the mixture over low heat until the sugar is dissolved.
Squeeze the juice from the oranges and add it to the mixture.
Pour the mixture into a mold and refrigerate overnight in a cool place, preferably on ice.
Serve
Serve with whipped cream.
Garnish with candied cherries if desired.
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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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Sugar + orangetop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
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
- Gelatine
- Sets the liquid into a firm, sliceable jelly as it cools.
- Sugar
- Sweetens the jelly and helps give it a smooth, soft set.
- Lemons
- Add acidity and fresh citrus flavour that balances the sweetness.
- Oranges
- Add juice for body, flavour and aroma to the jelly.
The step that matters
Soak the gelatine fully before heating. Gelatine must hydrate in cold water so it dissolves evenly when heated. Undissolved or unevenly hydrated granules leave lumps or weak spots in the set jelly.
“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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