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Dessert

Ice Cream Frosting

A sweet frosting made from powdered sugar syrup and beaten egg whites, flavored with citric acid and vanilla.

From an old cookbook · modernised transcription
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Why it works: Sugar and vanilla 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 ↓

Ice Cream Frosting

Ingredients

Directions

Make the syrup

  1. Boil water and powdered sugar until it forms a soft ball when dropped in cold water.

Make the frosting

  1. Pour the syrup over the beaten egg whites while stirring continuously until it forms a perfect cream.

  2. Add powdered citric acid and vanilla extract, then spread when cold.

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. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  2. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

  3. Egg + vanillatop 23% of all pairs
    Smell alikelow
    Cooked together27,347 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

Sugar and vanilla 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

Powdered sugar
Dissolves into the boiled syrup to provide sweetness and body for the frosting.
Egg whites
Whipped to foam, they trap air and give the frosting its light, creamy structure.
Powdered citric acid
Adds a touch of acidity that balances the sweetness and keeps the frosting tasting bright.

The step that matters

Pour the syrup over the beaten egg whites while stirring continuously. Hot syrup poured in slowly while stirring cooks the egg whites and spreads the heat evenly, creating a smooth, stable cream. Pouring too fast or stopping to stir can scramble the whites or leave the frosting grainy.

“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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