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Dessert

Plain Chocolate Icing

A chocolate icing made by melting chocolate with milk or cream, water, and sugar, then boiling and spreading over a cake.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Chocolate and sugar are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 15,404 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓

Plain Chocolate Icing

Oven, in the book's wordsA warm oven

Ingredients

Directions

Make the icing

  1. Melt the chocolate in a shallow pan over low heat, being careful not to scorch it.

  2. Stir in the milk or cream and water until well combined.

  3. Add the sugar and boil for about five minutes.

Ice and set the cake

  1. While hot, spread the icing evenly over the surface of a cake.

  2. Layer with a second cake, alternating icing and cakes.

  3. Cover the top and sides with icing and place in a warm oven to harden.

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

    Shared aroma: guaiacol (smoky, sweet).

  2. Chocolate + milktop 13% of all pairs
    Smell alikemoderate
    Cooked together9,128 recipes

    Shared aroma: gamma-nonanolactone (coconut, sweet).

  3. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

    Shared aroma: 2-nonenal (fatty, green).

Milk and sugar barely smell alike, yet cooks put them together in 77,875 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

Chocolate
Provides the main flavour and the dark colour of the icing.
Sugar
Sweetens the icing and, once boiled, helps it thicken as it sets.
Milk or cream
Adds fat and moisture, giving the icing a smoother, softer texture.

The step that matters

Boil the icing for about five minutes. Chocolate can scorch easily, so keep the heat low while melting it. Boiling the sugar mixture for the stated time lets enough water evaporate for the icing to thicken and set properly once spread on the cake.

“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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