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Dessert

Chocolate Icing

A sweet glaze made by heating powdered sugar, chocolate, vanilla, and water until thick and smooth.

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

Oven, in the book's wordsA very hot oven

Ingredients

Directions

  1. Combine powdered sugar, grated chocolate, vanilla essence, and water in a saucepan.

  2. Stir over heat until the mixture becomes a thick, smooth cream.

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

Powdered sugar
Provides sweetness and body, and dissolves into a smooth, thick icing when heated with the liquid.
Grated chocolate
Adds deep chocolate flavor and fat, which give the icing richness and a glossy finish as it cools.

The step that matters

Stir over heat until thick and smooth. Heat must fully dissolve the sugar so the icing is not grainy, but overheating can scorch the chocolate or cause the mixture to seize. Stirring keeps heat even and prevents sticking to the pan.

“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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