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Dessert

Milk Frosting

A frosting made from sugar, sweet milk, and butter, boiled and cooled before spreading on cake.

From an old cookbook · modernised transcription
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Why it works: Milk and butter are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Milk Frosting

Ingredients

Directions

  1. Boil sugar, milk, and butter together for about 5 minutes.

  2. Stir the mixture until it cools.

  3. Spread the frosting on cold cake.

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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

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

Sugar and milk barely smell alike, yet cooks put them together in 77,875 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

White sugar
Provides sweetness and, once boiled and cooled, forms the firm, glossy body of the frosting.
Sweet milk
Liquid that dissolves the sugar and gives the frosting a creamy texture.
Butter
Adds richness and a softer, smoother mouthfeel to the frosting.

The step that matters

Stir the mixture until it cools. Stirring during cooling breaks up large sugar crystals, so the frosting turns smooth and creamy rather than grainy or hard. Stopping too early or stirring too little can leave it gritty.

“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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