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
Squeeze the juice from the oranges into a clean silk sieve and basin, avoiding squeezing too much to prevent bitterness.
Add the juice of 1 to 3 lemons based on the sweetness of the oranges.
Make the syrup
Boil 1 pint of sugar until it begins to thicken, then remove from heat and let it stand for 5 minutes.
Mix the sugar syrup with the orange juice thoroughly.
Set and chill
Pour the mixture into a mold or cups and set in ice to chill.
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
- Oranges
- Provide the main juice, flavour and natural acidity of the jelly.
- Sugar
- Sweetens the jelly and, once boiled, thickens the syrup before it is mixed in.
- Isinglass
- Gelling agent that sets the juice into a firm, sliceable jelly as it chills.
- Lemons
- Add extra acidity to balance the sweetness of the juice.
The step that matters
Squeezing the oranges. Pressing hard on the oranges releases bitter compounds from the peel and pith into the juice, so squeezing gently keeps the jelly clean-tasting.
“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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