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Dessert

Chocolate Fudge Cake

A moist chocolate cake with a fudgy texture, topped with a simple butter and powdered sugar icing.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Chocolate Fudge Cake

Oven, in the book's wordsA slow oven

Ingredients

Directions

The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.

Make the batter

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

  2. In a bowl, beat the eggs and mix in the brown sugar and butter.

  3. Add the melted chocolate mixture and sour milk, then stir in the dissolved baking soda.

  4. Gradually add the flour and mix until smooth.

Bake and ice

  1. Pour the batter into a large pan and bake until done.

  2. For the icing, combine powdered sugar, melted butter, and vanilla.

  3. Moisten the icing with water until it reaches the desired consistency.

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. Milk + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

  2. Chocolate + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together10,020 recipes

    Shared aroma: sotolon (curry, maple).

  3. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  4. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  5. Butter + flourtop 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
Bind the batter and add structure as the cake sets in the oven.
Brown sugar
Adds sweetness, moisture, and a deeper caramel flavour to the cake.
Sour milk
Its acidity reacts with the baking soda so the cake rises and stays tender.
Baking soda
Reacts with the sour milk to produce gas that leavens the batter.
Flour
Provides the main structure that sets as the cake bakes.

The step that matters

Stir in the dissolved baking soda. Baking soda needs acid from the sour milk to release gas for rise. Dissolving it first and mixing promptly helps the gas form evenly, so the cake rises well rather than staying dense.

“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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