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
Dissolve the gelatine in 1 pint of water.
Add 3 pints of boiling water, lemon juice, and sugar.
If desired, color with cochineal syrup, adding a few drops until satisfactory.
Strain into moulds and refrigerate to harden.
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
- Sets the liquid into a firm, wobbly gel as it cools.
- Lemon juice
- Adds acidity that gives the jelly its bright, sharp flavor.
- Sugar
- Sweetens the jelly and balances the tartness of the lemon juice.
The step that matters
Dissolve the gelatine fully before adding the rest. Gelatine must be completely dissolved in water to set evenly. Undissolved granules leave soft spots or grainy patches in the finished jelly. Adding the boiling water and other ingredients afterward keeps the mixture uniformly liquid for setting.
“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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