Why it works: Orange and lemon 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 the jelly
Dissolve gelatine in cold water for 30 minutes.
Add boiling water and place over steam until fully dissolved.
Set
Stir in sugar, orange juice, and lemon juice.
Pour 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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Orange + lemontop 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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Sugar + orangetop 20% of all pairsSmell alikelowCooked together19,212 recipes
Shared aroma: beta-damascenone (apple, rose).
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
- Forms the gel network that gives the jelly its firm, wobbly set.
- Sugar
- Adds sweetness and softens the flavour of the citrus juice.
- Orange juice
- Provides the main flavour and liquid for the jelly.
- Lemon juice
- Adds acidity that brightens the orange flavour.
The step that matters
Fully dissolving the gelatine. Gelatine that is not completely dissolved will leave grains and weak spots in the set. Gentle heat helps it dissolve evenly without boiling, which can weaken its gelling power.
“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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