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Dessert

Mocha Cakes

A small cake flavored with coffee essence and vanilla, topped with coffee icing and optional walnut decoration.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 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 ↓

Mocha Cakes

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Preheat the oven to 350°F (175°C).

Make and bake the cake

  1. Beat the eggs and sugar together for 30 minutes.

  2. Gently mix in the flour.

  3. Pour the batter into a small cake tin and bake until done.

Assemble and decorate

  1. Allow the cake to cool, then cut it into 4 layers.

  2. Spread coffee icing on each layer and stack them.

  3. Spread icing on top and decorate with chopped walnuts if desired.

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. Coffee + vanillatop 9% of all pairs
    Smell alikemoderate
    Cooked together1,391 recipes

    Shared aroma: sotolon (curry, maple).

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

    Shared aroma: eucalyptol (eucalyptus, herbal).

  4. Coffee + walnuttop 11% of all pairs
    Smell alikemoderate
    Cooked together289 recipes

    Shared aroma: 2,4-nonadienal (fatty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

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
Beaten with sugar to trap air, giving the cake its light structure.
Castor sugar
Sweetens the cake and helps the beaten eggs hold their foam.
Flour
Forms the cake's structure once it is gently folded in and baked.
Butter
Adds fat for richness and a tender crumb.

The step that matters

Beating the eggs and sugar. Beating the eggs and sugar together for a long time builds the foam that gives the cake its lift. Gently folding in the flour afterward keeps that air from collapsing, so the cake stays light.

Swap the walnut

The recipe marks walnut as optional. How well each one fits the dish's main ingredients (sugar, flour, egg, butter, coffee, vanilla):

  1. Almondfits better
  2. Hazelnutfits better
  3. Chestnutfits better
  4. Walnutthe original

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