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 citrus
Grate the rinds of the oranges and lemons.
Squeeze the juice of three oranges and three lemons through a muslin bag into a bowl with water and sugar.
Make the jelly
Boil the mixture until it nearly candies.
Add the jelly to the syrup and bring to a boil.
Strain the jelly and pour it into molds or glasses to cool.
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
- Carrageenan moss
- Gels the citrus liquid as it cools, giving the jelly its set and firm texture.
- Sugar
- Sweetens the juice and helps build the syrup that the jelly is set in.
- Seville oranges
- Provide the bitter-sharp citrus juice and aroma that flavour the jelly.
- China oranges
- Add sweet citrus juice that balances the sharpness of the other fruit.
- Lemons
- Add acidity that brightens the flavour of the jelly.
The step that matters
Boil the mixture until it nearly candies. Boiling concentrates the sugar and juice into a syrup. Too little boiling leaves the jelly soft and weak, while overboiling makes it stiff and sticky. Stop when it is close to candying.
“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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