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Dessert

Lemon Ice

A frozen dessert made from lemon juice, rind, sugar, water, and egg whites.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Lemon Ice

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

Make the syrup

  1. Boil the water and sugar together until well dissolved and skimmed.

  2. Let the mixture cool, then add the lemon juice and sliced rind.

  3. Let it infuse for 1 hour.

Finish and freeze

  1. Strain the mixture into a freezer without pressing.

  2. Gently stir in the well-beaten egg whites.

  3. Freeze until solid.

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.

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.

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

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

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

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

  3. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 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
Dissolves into the water to sweeten the base and softens the texture of the frozen ice.
Lemon juice
Provides the sharp acidity that gives the ice its bright flavour.
Lemon rind
Adds aromatic oils from the peel, deepening the lemon flavour during infusion.
Egg whites
Whipped air and proteins add lightness and a smoother, less icy texture.

The step that matters

Gently stir in the well-beaten egg whites. Egg whites hold air only when whipped, so stirring them in gently preserves the foam; vigorous mixing would deflate it and make the ice denser.

Swap the lemon

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

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

Fit is the average pairing score against sugar, egg. 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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