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Dessert

Milk Frosting

A sweet frosting made from sugar, milk, butter, and vanilla, boiled and beaten until spreadable.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Milk Frosting

Ingredients

Directions

Make the frosting

  1. Melt the butter in a saucepan.

  2. Add the sugar and milk, stirring to prevent sticking.

  3. Heat to boiling point and boil without stirring for 13 minutes.

  4. Remove from heat and beat until the frosting reaches a spreadable consistency.

Finish and spread

  1. Add the vanilla and pour over the cake, spreading evenly with the back of a spoon.

  2. Crease the frosting as soon as it firms up.

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 + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

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

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

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

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

  4. Butter + vanillatop 14% of all pairs
    Smell alikemoderate
    Cooked together20,050 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

    Shared aroma: guaiacol (smoky, sweet).

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

Sugar
Dissolves into the milk and sets as the frosting cools, giving sweetness and body.
Milk
Dissolves the sugar and adds moisture, making the frosting soft and creamy.
Butter
Adds fat for a rich, smooth mouthfeel in the finished frosting.
Vanilla
Adds aroma that rounds out the sweetness of the frosting.

The step that matters

Boil without stirring for 13 minutes. Stirring a boiling sugar syrup can encourage crystals to form, which makes the frosting grainy. Holding it still lets the syrup reach the right concentration for a smooth, spreadable texture.

“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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