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Dessert

Chocolate Icing

A simple chocolate icing made by mixing icing sugar, grated chocolate, water, and vanilla essence.

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

Chocolate Icing

Ingredients

Directions

Make the icing

  1. Mix the icing sugar and grated chocolate in a saucepan.

  2. Add water and vanilla essence.

  3. Stir over low heat until the mixture reaches the consistency of thick cream; do not let it boil.

Finish

  1. Pour the icing over the 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. 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. Sugar + chocolatetop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 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

Icing sugar
Provides sweetness and body, thickening the icing as it dissolves and cools.
Grated chocolate
Adds flavour and fat, which helps the icing set glossy and smooth.
Water
Loosens the sugar and chocolate so they melt into a pourable icing.

The step that matters

Stir over low heat without boiling. Boiling can make the sugar grainy or cause the chocolate to seize and separate. Gentle heat melts the chocolate evenly, keeping the icing smooth and glossy.

“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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