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 ↓
Gelatine Jelly
Ingredients
Directions
Prepare the jelly
Dissolve the gelatine in cold water for 1 hour.
Add the lemon rind and juice to the mixture.
Pour in the boiling water and stir until the sugar dissolves.
Add the orange or raspberry juice and mix well.
Set
Pour the mixture into a mold and refrigerate until set.
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
- Sparkling gelatine
- Forms the gel structure that makes the jelly set firm when chilled.
- Sugar
- Adds sweetness and helps balance the sharpness of the lemon and fruit juice.
- Lemon rind and juice
- Adds acidity and bright citrus aroma that balance the sweetness.
- Orange or raspberry juice
- Adds fruit flavor and liquid that becomes part of the set gel.
The step that matters
Dissolve the gelatine fully before adding other ingredients. Gelatine only sets properly when its granules are fully hydrated and dissolved in liquid. Undissolved granules leave gritty or weak patches in the finished 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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