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Dessert

Tapioca Jelly

A clear, lemon-flavored gelatin made from tapioca, water, lemon peels, juice, and sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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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 the tapioca

  1. Wash the tapioca well.

  2. Soak the tapioca in a gallon of fresh water for 5 to 6 hours.

Cook the jelly

  1. Add the peels of the lemons and heat the mixture.

  2. Simmer until clear.

  3. Stir in the lemon juice and sugar to taste.

  4. Pour the mixture into molds.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked 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
Starch that thickens the liquid and sets into a firm, translucent jelly as it cools.
Lemon juice
Adds acidity that brightens the flavor and balances the sweetness of the sugar.
Lemon peels
Release fragrant oils into the water, giving the jelly a citrus aroma.
Sugar
Adds sweetness and balances the acidity of the lemon juice.

The step that matters

Simmer until clear. Tapioca must cook long enough for its starch granules to swell fully and become translucent. Undercooked tapioca stays cloudy and grainy, 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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