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 ↓
Lemon Fruit Jelly
Ingredients
Directions
Make the lemonade base
Make a rich lemonade by mixing lemon juice, sugar, and water.
Add small slices of citron and the yellow parts of lemon and orange peel.
Heat the mixture and add the dissolved gelatine.
Layer and set
Pour one-third of the mixture into moulds and arrange slices of orange, banana, and pineapple in it.
Let it partially set, then add another third and arrange fruit as before.
Pour in the remaining mixture and let it stand on ice overnight.
In very hot weather, use a little more gelatine.
Unmould
To remove from moulds, dip in hot water for just an instant.
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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Banana + pineappletop 1% of all pairsSmell alikestrongCooked together733 recipes
Shared aroma: ethyl isobutyrate (fruity, ethereal).
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Orange + pineappletop 6% of all pairsSmell alikemoderateCooked together1,664 recipes
Shared aroma: ethyl isobutyrate (fruity, ethereal).
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Orange + bananatop 8% of all pairsSmell alikemoderateCooked together1,118 recipes
Shared aroma: 1-octen-3-one (mushroom, metallic).
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Lemon + pineappletop 12% of all pairsSmell alikemoderateCooked together1,964 recipes
Shared aroma: 2-nonenal (fatty, green).
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 jelly that holds its shape when unmoulded.
- Sugar
- Adds sweetness and balances the sourness of the lemon juice.
- Lemon juice
- Provides the main acidity and lemon flavour of the jelly.
- Citron
- Adds aromatic flavour and a bit of texture from the small slices.
The step that matters
Layering the fruit between partial sets. Each third must be only partly set before the next is poured, so the fruit stays suspended in place instead of sinking or floating. Gelatine that is too firm will not bond the layers, and too liquid a layer lets the fruit drift.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, orange, banana, pineapple):
- Vanillafits better
- Figfits better
- Mangofits better
- Lemonthe original
Fit is the average pairing score against sugar, orange, banana, pineapple. Candidates are from the same food group and used in at least 100 recipes.
“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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