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Dessert

Chocolate Kisses

A simple baked treat made from egg whites, sugar, melted chocolate, and walnuts.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Chocolate and walnut are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 1,548 recipes. Both carry 3-ethyl-2,5-dimethylpyrazine, which smells roasted, nutty. The science ↓

Chocolate Kisses

Ingredients

Directions

The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

  1. Preheat the oven to 300°F (150°C).

Make the batter

  1. Beat the egg whites until very stiff.

  2. Gradually stir in the sugar, melted chocolate, and chopped walnuts.

Bake

  1. Drop spoonfuls of the mixture onto a baking sheet.

  2. Bake slowly until set.

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 + walnuttop 10% of all pairs
    Smell alikemoderate
    Cooked together1,548 recipes

    Shared aroma: 3-ethyl-2,5-dimethylpyrazine (roasted, nutty).

  2. Sugar + chocolatetop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Egg + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 recipes

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

  4. Egg + walnuttop 23% of all pairs
    Smell alikemoderate
    Cooked together6,037 recipes

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

  5. Egg + chocolatetop 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

Egg whites
Whipped to stiff foam, they give the cookies their light, airy structure.
Sugar
Stirred into the whipped whites, it sweetens the cookies and helps stabilize the foam.
Chocolate
Adds rich chocolate flavor and color to the cookies.
Walnuts
Add crunch and a nutty flavor that contrasts with the soft interior.

The step that matters

Beat the egg whites until very stiff.. Stiff egg whites trap air that leavens the cookies. Under-beaten whites collapse, and overmixing after adding the chocolate and nuts deflates the foam, leaving dense cookies.

Swap the walnut

How well each one fits the dish's main ingredients (egg, sugar, chocolate):

  1. Pecansfits better
  2. Almondfits better
  3. Hazelnutfits about as well
  4. Walnutthe original

Fit is the average pairing score against egg, sugar, chocolate. Candidates are from the same food group and used in at least 100 recipes.

“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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