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Dessert

Snow Jelly

A gelatin dessert made with lemon juice, sugar, egg whites, and custard.

From an old cookbook · modernised transcription
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Why it works: Lemon and milk are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 19,053 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

Snow Jelly

Ingredients

Directions

Make the jelly

  1. Soak the gelatin in cold water while preparing the other ingredients.

  2. In a bowl, combine the sugar, lemon juice, and beaten egg whites.

  3. Add 1 pint of boiling water to the soaked gelatin.

  4. Mix in the sugar and egg mixture, then beat thoroughly.

  5. Strain the mixture into molds.

Make the custard and serve

  1. Prepare a custard by heating the milk and whisking in the egg yolks until thickened.

  2. Pour the custard over the jelly just before serving.

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 + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

    Shared aroma: 2-nonenal (fatty, green).

  2. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

  3. Egg + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

  4. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

    Shared aroma: 2-nonenal (fatty, green).

  5. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

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

Gelatine
Forms the gel that gives the jelly its set and firm structure.
Egg whites
Beaten, they trap air and add a light, fluffy texture to the mixture.
Egg yolks
They thicken the warm milk into a custard as their proteins set with gentle heat.
Milk
Forms the liquid base of the custard, adding richness and body.
Sugar
Adds sweetness and balances the sharpness of the lemon juice.
Lemon juice
Adds acidity that brightens the flavour and cuts the sweetness.

The step that matters

Thickening the custard. Egg yolks thicken milk as their proteins set gently with heat. If the custard gets too hot or is not whisked constantly, the yolks scramble and curdle, leaving a grainy texture instead of a smooth sauce.

Swap the lemon

How well each one fits the dish's main ingredients (sugar, egg, milk):

  1. Vanillafits better
  2. Figfits about as well
  3. Raisinfits about as well
  4. Lemonthe original

Fit is the average pairing score against sugar, egg, milk. 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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