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
Combine the juice of 4 oranges and 2 lemons in a bowl.
Soak ⅓ package of gelatine in ½ cup of water for 1 hour.
Add the grated peel of 1 lemon and 1 orange to the gelatine.
Pour 1½ cups of boiling water over the soaked gelatine and stir until dissolved.
Sweeten the mixture to taste with sugar, then add the orange and lemon juice.
Fill and serve
Carefully scrape out the pulp from 8 oranges, leaving the shells intact.
Set the orange shells upright in a pan filled with cornmeal and fill them with the jelly mixture.
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, sliceable jelly as it cools.
- Orange juice
- Provides the main citrus flavour and most of the liquid in the jelly.
- Lemon juice
- Adds acidity that brightens the sweetness and sharpens the orange flavour.
- Sugar
- Sweetens the jelly and balances the tartness of the citrus juice.
The step that matters
Dissolving the gelatine fully. Gelatine must be soaked and then dissolved in hot liquid so no granules remain. Undissolved gelatine leaves grainy patches and prevents an even set once the jelly cools.
“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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