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Dessert

Walnut Cake

A layered walnut cake with a crystallized sugar filling and walnut decorations.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Walnut Cake

Ingredients

Directions

Prepare the batter

  1. Beat the eggs for 2 minutes.

  2. Add sugar and beat for 5 minutes.

  3. Mix in cold water, baking powder, and flour until combined.

Make the filling

  1. For the filling, boil 3 cups of sugar with ¾ cup of boiling water until crystallized.

  2. Add the egg whites and beat until frothy and stone cold.

  3. Stir in vanilla.

Bake and assemble

  1. Bake the cake in layers.

  2. Spread frosting on each layer and sprinkle with broken walnuts.

  3. Decorate the top with whole 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. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  2. Vanilla + walnuttop 10% of all pairs
    Smell alikestrong
    Cooked together2,730 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + vanillatop 12% of all pairs
    Smell alikemoderate
    Cooked together19,241 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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
Add structure and richness, and help the batter hold its shape when beaten.
Flour
Provides the main structure that sets the cake crumb as it bakes.
Baking powder
Releases gas in the batter, helping the cake rise and become light.
Sugar
Adds sweetness and helps keep the cake tender and moist.
Cold water
Adds moisture to the batter so the cake bakes softly.
Vanilla
Adds aroma that rounds out the sweetness of the cake and filling.

The step that matters

Beat the egg whites into the filling only when stone cold. Egg whites beaten into hot sugar syrup can cook partly and turn grainy or lumpy. Letting the mixture cool fully before beating keeps the filling smooth, stable and spreadable.

Swap the walnut

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

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

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