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Dessert

Caramel Frosting

A sweet glaze made from brown sugar, butter, milk, and vanilla, poured over cake.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Caramel Frosting

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 ↓

Caramel Frosting

Ingredients

Directions

Make the caramel

  1. Combine brown sugar and milk in a saucepan.

  2. Stir over gentle heat until the sugar is dissolved.

  3. Gradually bring the mixture to a boil.

  4. Cook until a soft ball forms in cold water.

  5. Remove from heat.

Finish and serve

  1. Add butter and vanilla.

  2. Beat until thick and creamy.

  3. Pour over 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.

Photo for illustrative purposes only · Contact us to use it

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. Butter + milktop 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

Brown sugar
Provides sweetness and caramel flavor, and its dissolved sugar forms the frosting's structure as it cooks.
Butter
Adds fat for a smooth, rich texture and mouthfeel to the frosting.
Milk
Dissolves the sugar and adds moisture, letting the mixture reach the soft ball stage.
Vanilla extract
Adds aroma that rounds out the caramel flavor.

The step that matters

Cook until a soft ball forms in cold water. Sugar syrup must reach the right concentration to set properly. Too little cooking leaves the frosting runny, while overcooking makes it hard and grainy once beaten.

“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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