Why it works: Sugar and lemon 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
Make the syrup
Boil the boiling water, sugar, and lemon rind for five minutes to make a syrup.
Set the jelly
Soften the gelatin in cold water, then dissolve it in the hot syrup.
Add the lemon juice and strain the mixture through cheesecloth.
Pour the strained mixture into a mold and chill until 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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Sugar + lemontop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
Sugar and lemon 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, wobbly gel as it cools.
- Sugar
- Sweetens the syrup and balances the sharpness of the lemon.
- Lemon juice
- Adds acidity and bright lemon flavour to the jelly.
The step that matters
Dissolving the gelatine in the hot syrup. Gelatine must be fully dissolved in warm liquid, not boiling, and evenly mixed so it sets uniformly. Undissolved granules leave grainy or weak patches in the finished jelly.
“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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