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 ↓
Tapioca Jelly
Ingredients
Directions
Prepare
Soak the tapioca in the cold water for 4 to 5 hours or overnight.
Add sugar to the soaked tapioca and set it on the stove in a double boiler.
Boil for 1 hour or until the mixture is perfectly transparent.
When nearly cooked, add the lemon juice and a little of the grated rind.
Set and serve
Rinse small molds or cups with cold water, then fill them with the mixture.
Set the filled molds in a cold place to harden.
Turn out the jelly and serve very cold with sweetened cream or custard sauce.
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
- Tapioca
- Swells and thickens as it cooks, turning the liquid into a firm, clear jelly when cooled.
- Lemon
- Adds acidity and aroma that brighten the sweetness of the jelly.
- Sugar
- Sweetens the jelly and adds to its body as it cooks.
The step that matters
Cooking until perfectly transparent. Tapioca starch must be fully cooked until the grains swell and become clear. Undercooked tapioca stays opaque and chalky, and it will not set into a smooth jelly.
“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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