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 juice
Grate the rind of the oranges and lemons into a kettle.
Squeeze in the juice of the oranges and lemons.
Add 1 cup of water and ½ pound of sugar for each pint of juice.
Make the syrup
Boil until a rich syrup forms.
Set the jelly
Dissolve 1 ounce of gelatin in 1 pint of warm water.
Add the syrup to the gelatin mixture.
Strain the jelly and pour it into glasses.
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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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Orange + sugartop 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, wobbly jelly once cooled.
- Sugar
- Sweetens the juice and helps give the syrup body and a rich texture.
- Oranges
- Provide the main juice and fragrant oil from the rind for flavour.
- Lemons
- Add acidity that balances the sweetness and sharpens the flavour.
The step that matters
Add the syrup to the gelatin mixture. Gelatin must be fully dissolved in warm water before the hot syrup is added, otherwise it can clump and fail to set evenly. The mixture should be well stirred and kept warm enough to stay liquid until it is poured into glasses.
“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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