Why it works: Lemon and sugar are a kitchen classic. They rank in the top 18% of all ingredient pairs, and cooks put them together in 53,532 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Lemon Jelly
Ingredients
Directions
Prepare
Dissolve the gelatine in cold water.
Grate the yellow rind and pulp of the lemons.
Make the lemon gelatin
Combine 3 cups of water and 3 cups of sugar in a large kettle.
Bring the mixture to a boil for a few minutes.
Add the lemon pulp, rind, and dissolved gelatine to the kettle.
Pour the mixture into a mold and set it in a cool place to set.
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 + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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 dessert set firm when cooled.
- Sugar
- Adds sweetness and helps balance the sharpness of the lemon.
- Lemon rind and pulp
- Supply the lemon flavour and acidity, plus aromatic oils from the rind.
The step that matters
Dissolve the gelatine fully before adding it to the kettle. Undissolved gelatine grains do not join the gel network, leaving soft specks and an uneven set. Gelatine must be fully hydrated and dispersed in the hot syrup before the mixture cools and sets.
“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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