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
Soak the gelatine in ½ cup of cold water for 30 minutes to 1 hour.
Add 1 quart of boiling water and stir until dissolved.
Mix in 2 pints of sugar, the juice of 5 lemons, and the grated rind of 2 lemons.
Strain the mixture into a jelly mold and set it in a cool place.
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, sliceable jelly as it cools.
- Sugar
- Adds sweetness and helps balance the sharpness of the lemon.
- Lemon juice
- Provides the acidity and bright lemon flavour.
- Lemon rind
- Adds aromatic lemon oils for extra fragrance.
The step that matters
Dissolve the gelatine fully before adding the lemon. Gelatine only sets when it is completely dissolved in hot liquid. Undissolved granules leave gritty or weak patches, so stir until no grains remain before mixing in the sugar and lemon.
“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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