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Chocolate Biscuits

Chocolate biscuits made from melted chocolate, powdered sugar, and egg whites.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 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 ↓

Chocolate Biscuits

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Make the dough

  1. Melt the chocolate in a tin over low heat until warm and soft.

  2. In a bowl, combine the melted chocolate with the powdered sugar and mix well.

  3. Add the egg whites and mix until smooth.

  4. If the mixture is too thin, add more powdered sugar to achieve a paste consistency.

  5. Roll the mixture into lumps the size of walnuts.

Bake and cool

  1. Preheat the oven to 350°F (175°C) and place three sheets of parchment paper on a baking tray.

  2. Bake the biscuits until they rise and become crisp and firm.

  3. Allow the biscuits to cool completely before removing them from the paper.

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. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

  3. Chocolate + eggtop 24% of all pairs
    Smell alikemoderate
    Cooked together11,448 recipes

    Shared aroma: 2-heptenal (green).

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, once set, firmness and body to the biscuits.
Powdered sugar
Adds sweetness and bulk, and stiffens the mixture into a paste that holds its shape.
Egg whites
Provide structure and lift, helping the biscuits rise and set as they bake.

The step that matters

Adjusting the paste consistency. Too much liquid makes the lumps spread and bake flat, while a stiff paste holds its shape. Adding powdered sugar gradually until the mixture is a workable paste helps the biscuits keep their form in the oven.

“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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