Why it works: Lemon and orange 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 isinglass
Soak the isinglass in water overnight.
Heat the water until the isinglass melts.
Strain the melted isinglass.
Prepare the fruit
Grate the yellow rind of the lemons and oranges.
Squeeze the juice from the lemons and oranges.
Rinse the pulp in ½ pint of water.
Strain the rinsed pulp.
Make the jelly
Simmer the pulp with ½ pound of sugar, the grated rind, and juice until thickened.
Add the isinglass jelly.
Bring the mixture to a boil.
Strain through a jelly bag.
Let the strained mixture settle.
Pour gently into a mold or 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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Lemon + orangetop 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
- Isinglass
- Sets the liquid into a clear, firm jelly as it cools.
- Sugar
- Adds sweetness and body to the jelly.
- Lemons
- Add acidity and fragrant aroma from the juice and zest.
- Seville orange
- Adds bitter-sharp citrus flavour and aroma from its juice and zest.
- China oranges
- Add sweet citrus flavour and aroma from their juice and zest.
The step that matters
Bring the mixture to a boil. Isinglass is a collagen-based gelling agent that sets on cooling, but prolonged or vigorous boiling can weaken its setting power. Bring the mixture just to a boil so the jelly still firms properly.
“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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