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Butter Icings

A butter icing made with chocolate, water, butter, icing sugar, and vanilla essence.

From an old cookbook · modernised transcription
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Why it works: Chocolate and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 10,020 recipes. Both carry sotolon, which smells curry, maple. The science ↓

Butter Icings

Ingredients

Directions

  1. Grate the chocolate and dissolve it in the water over low heat.

  2. Cream the butter in a bowl.

  3. Add the icing sugar to the creamed butter and beat until smooth.

  4. Once the chocolate is cold, add it along with the vanilla essence to the butter and sugar mixture. Mix until well combined.

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. Chocolate + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together10,020 recipes

    Shared aroma: sotolon (curry, maple).

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

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

  3. Chocolate + sugartop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

    Shared aroma: guaiacol (smoky, sweet).

  5. Chocolate + buttertop 16% of all pairs
    Smell alikemoderate
    Cooked together10,543 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

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

Fresh butter
Creamed to form the fatty base that gives the icing its smooth, rich texture.
Icing sugar
Adds sweetness and bulk, and dissolves smoothly into the creamed butter.
Chocolate
Provides the chocolate flavour and, once melted into water, is blended into the icing.

The step that matters

Let the chocolate cool before adding it. Melted chocolate that is still warm can melt the butter and make the icing greasy, thin, or separated. Cooling it first keeps the butter emulsion stable and the texture thick.

“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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