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 Ice
Ingredients
Directions
Boil the sugar and water together for 20 minutes.
Remove from heat and add the dissolved gelatine and lemon juice.
Strain the mixture and freeze.
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.
Photo for illustrative purposes only · Contact us to use it
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
- Sugar
- Adds sweetness and lowers the freezing point, keeping the ice softer and scoopable.
- Gelatine
- Stabilises the mixture, giving a smoother texture with fewer coarse ice crystals.
- Lemon juice
- Provides acidity and bright lemon flavour that balances the sugar.
The step that matters
Adding the dissolved gelatine off the heat. Gelatine must be fully dissolved and stirred evenly through the syrup before freezing. Lumps or uneven distribution leave pockets of texture problems in the frozen ice.
“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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