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Dessert

Walnut Cake

A layered walnut cake with butter icing.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Walnut Cake

Ingredients

Directions

Make the batter

  1. Beat the sugar and eggs together for 20 minutes.

  2. Add melted butter and stir in the flour lightly, along with baking powder, salt, and flavoring.

  3. Divide the mixture in half.

Bake the layers

  1. Pour one half into a well-buttered tin.

  2. Color the other half.

  3. Pour it into another well-buttered tin.

  4. Bake until cooked.

Ice and assemble

  1. Cut each piece in half.

  2. Ice each piece.

  3. Stack one on top of the other to create a four-layer cake.

  4. Ice the top.

  5. Decorate with walnuts.

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. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + walnuttop 12% of all pairs
    Smell alikemoderate
    Cooked together5,873 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  4. Butter + walnuttop 15% of all pairs
    Smell alikemoderate
    Cooked together6,832 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  5. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter barely smell alike, yet cooks put them together in 124,287 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

Eggs
Beaten with sugar to trap air, giving the cake its light, airy structure.
Flour
Forms the cake's structure once set by heat.
Butter
Adds richness and moisture, and tenderness to the crumb.
Baking powder
Releases gas during baking, helping the layers rise.
Sugar
Sweetens the batter and helps it hold air when beaten with the eggs.
Walnuts
Add crunch and a nutty flavor to the decorated top.

The step that matters

Beat the sugar and eggs together for 20 minutes. Long beating whips air into the eggs and sugar, which becomes the cake's lift. Under-beating leaves a dense layer, while the light stir of flour afterward keeps that air from being lost.

Swap the walnut

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

  1. Almondfits better
  2. Macadamia nutfits better
  3. Chestnutfits about as well
  4. Walnutthe original

Fit is the average pairing score against egg, sugar, flour, butter. 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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