Why it works: Sugar and gelatin are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 2,778 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓
Lemon Jelly
Ingredients
Directions
Infuse the rind
Peel 3 lemons and pour 1 pint of boiling water over the rind.
Let the mixture infuse for 1 hour.
Cook the syrup
In a saucepan, combine sugar, gelatin, and ½ pint of water.
Boil the mixture for 20 minutes.
Finish the jelly
Add the strained lemon juice and the strained infusion of the rind to the saucepan.
Bring the mixture to a boil and skim off any foam.
Stir in the sherry.
Strain the jelly through a bag.
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 + gelatintop 7% of all pairsSmell alikemoderateCooked together2,778 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Lemon + sherrytop 17% of all pairsSmell alikemoderateCooked together3,273 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
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Lemon + sugartop 18% of all pairsSmell alikelowCooked together53,532 recipes
Shared aroma: 2-nonenal (fatty, green).
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Gelatin + sherrytop 20% of all pairsSmell alikelowCooked together138 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Sugar + sherrytop 22% of all pairsSmell alikelowCooked together4,141 recipes
Shared aroma: guaiacol (smoky, sweet).
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
- Lemons
- Provide the juice for sharp acidity and the rind for aroma.
- Gelatin
- Sets the liquid into a firm, wobbly jelly.
- Lump sugar
- Adds sweetness that balances the lemon's acidity.
- Sherry
- Adds a warm, aromatic flavour to the jelly.
The step that matters
Skim off the foam when the mixture comes to a boil. Foam that is left in the pan sets into the jelly and makes it cloudy. Skimming removes the impurities that rise to the surface, so the straining step produces a clearer, more attractive jelly.
Swap the lemon
How well each one fits the dish's main ingredients (sugar, gelatin, sherry):
- Vanillafits better
- Pineapplefits better
- Figfits better
- Lemonthe original
Fit is the average pairing score against sugar, gelatin, sherry. Candidates are from the same food group and used in at least 100 recipes.
“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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