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 jelly
Dissolve gelatine in 2 pints of warm water.
Add sugar, lemon juice, and lemon rind.
Strain through a jelly bag into a deep bowl.
Set and serve
Chill on ice and whip until thickened.
Pour into a mold and refrigerate 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 structure as it cools.
- Sugar
- Sweetens the jelly and balances the sharpness of the lemon.
- Lemon juice
- Adds sharp acidity and bright lemon flavour.
- Lemon rind
- Adds aromatic lemon oils for a stronger citrus fragrance.
The step that matters
Chill on ice and whip until thickened. Gelatine begins to set as it cools, so the mixture must be thickened before it sets fully in the mold. Chilling too slowly or too little can leave it runny or cause uneven texture.
“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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