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Dessert

Coffee Filling for Cake

A butter, powdered sugar, cocoa, and coffee mixture used as cake filling.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Cocoa and coffee work together. They rank in the top 3% of all ingredient pairs, and cooks put them together in 91 recipes. Both carry sotolon, which smells curry, maple. The science ↓

Coffee Filling for Cake

Oven, in the book's wordsA moderate oven

Ingredients

Directions

  1. Wash the butter to remove salt.

  2. Beat the butter and powdered sugar until creamy.

  3. Add the cocoa and strong coffee, and 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. Cocoa + coffeetop 3% of all pairs
    Smell alikemoderate
    Cooked together91 recipes

    Shared aroma: sotolon (curry, maple).

  2. Butter + cocoatop 15% of all pairs
    Smell alikemoderate
    Cooked together548 recipes

    Shared aroma: delta-undecalactone (coconut, creamy).

  3. Sugar + coffeetop 17% of all pairs
    Smell alikelow
    Cooked together4,344 recipes

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

  4. Butter + sugartop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Butter + coffeetop 23% of all pairs
    Smell alikemoderate
    Cooked together2,442 recipes

    Shared aroma: 2-furfurylthiol (coffee, roasted).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Unsalted butter
Provides fat that makes the filling rich and creamy, carrying the flavor.
Powdered sugar
Sweetens the filling and, when beaten with butter, helps give it a smooth, spreadable texture.
Dry cocoa
Adds chocolate flavor and a deeper color to the filling.
Strong coffee
Adds coffee aroma and bitterness that deepens the flavor of the cocoa and sugar.

The step that matters

Beat the butter and powdered sugar until creamy. Beating softened butter with sugar traps air and fully dissolves the sugar into the fat, producing a smooth, light filling. Stopping early leaves grainy or dense texture.

“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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