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 gelatine and sugar
Dissolve the sugar in ½ pint of water.
Pour ½ pint of boiling water over the gelatine and let it dissolve.
Strain the gelatine mixture.
Make and set the jelly
Bring the sugar water to a boil, then add the dissolved gelatine, juice of the oranges and lemon, and a little of the peel.
Let it boil briefly, then strain into molds 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
- Gelatine
- Provides the gel structure that lets the liquid set firm as it cools.
- Oranges
- Supply the main flavour and most of the liquid body of the jelly.
- Lemon
- Adds acidity that sharpens and brightens the orange flavour.
- Loaf sugar
- Sweetens the jelly and balances the citrus tartness.
The step that matters
Let it boil briefly. Prolonged or vigorous boiling can weaken gelatine's gelling power, so the jelly may set softly. Heat also dulls fresh citrus aroma. A brief boil is enough to combine the ingredients and then strain promptly.
“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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