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Dessert

Vanilla Water Ice

A chilled dessert made by boiling vanilla-infused water with sugar, then adding lemon juice and freezing.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Vanilla and sugar are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Vanilla Water Ice

Ingredients

Directions

Make the syrup

  1. Pound the vanilla sticks in a mortar.

  2. Add ½ pint of water to the mortar to extract the flavor.

  3. Pour the mixture into a saucepan and add 1 pound of sugar.

  4. Boil the mixture together and strain it through a fine sieve.

Finish and freeze

  1. Add the juice of 1 or 2 lemons and freeze the mixture.

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. Vanilla + sugartop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  2. Vanilla + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together5,961 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

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

Vanilla and sugar barely smell alike, yet cooks put them together in 35,032 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

Vanilla sticks
Provide the main flavor, which is drawn out into the water.
Sugar
Sweetens the ice and lowers its freezing point for a softer texture.
Lemon juice
Adds acidity that brightens the vanilla and balances the sweetness.

The step that matters

Boil the mixture together. Boiling dissolves the sugar fully into the vanilla water. Undissolved sugar leaves grainy crystals in the frozen ice, so the syrup should be fully clear before straining.

Swap the lemon

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

  1. Figfits better
  2. Blueberryfits better
  3. Peachfits better
  4. Lemonthe original

Fit is the average pairing score against vanilla, sugar. 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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