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
Dissolve isinglass in water.
Add sugar, lemon juice, and rinds.
Boil for 10 minutes.
Strain into a prepared mold.
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
- Isinglass
- Gelatin-like protein that sets the liquid into a firm, wobbly jelly as it cools.
- Loaf sugar
- Adds sweetness and body, and helps give the set jelly a clear, glossy texture.
- Lemons
- Supply acidity and bright lemon aroma, with rinds adding fragrant oils.
The step that matters
Strain into a prepared mold. Straining removes lemon rinds and any impurities so the jelly sets clear and smooth. Pouring while the mixture is still liquid lets it fill the mold evenly before it firms.
“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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