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Dessert

Orange and Lemon Ices

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

From an old cookbook · modernised transcription
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Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Orange and Lemon Ices

Ingredients

Directions

Make the base

  1. Grate the rind of 3 oranges and steep it in just over 1 pint of water for a few moments.

  2. Strain the mixture and combine 1 pint of this liquid with 1 pound of sugar.

  3. Add 1 pint of orange juice and 1 pint of lemon juice to the mixture.

Freeze

  1. Pour the mixture into a freezer and freeze until half frozen.

  2. Fold in the beaten egg whites and continue freezing until fully set.

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. Orange + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

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

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

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

  4. Orange + sugartop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

    Shared aroma: beta-damascenone (apple, rose).

  5. 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
Sweetens the ice and lowers its freezing point so it stays softer.
Egg whites
Whipped to a stiff froth, they add lightness and an airy texture to the ice.
Orange juice
Adds sweet citrus flavour and liquid that freezes into the ice.
Lemon juice
Adds acidity that sharpens the flavour and balances the sugar.

The step that matters

Fold in the beaten egg whites after the mixture is half frozen. If the egg whites go in while the mixture is still liquid, they deflate and the ice loses its airy texture. Partly freezing first gives the whites a stable base to hold their air as the ice sets.

Swap the orange

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

  1. Orangethe original
  2. Vanillafits about as well
  3. Limefits less well
  4. Raisinfits less well

Fit is the average pairing score against sugar, lemon, 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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