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Chocolate Fudge

A simple chocolate fudge made with sugar, butter, milk, and cocoa.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Chocolate Fudge

Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Chocolate Fudge

Ingredients

Directions

  1. Stir together sugar and cocoa in a saucepan.

  2. Add milk and stir until boiling.

  3. Add butter and continue stirring.

  4. To test, drop a little mixture on a saucer; if it thickens, remove from heat.

  5. Beat the mixture until smooth, then pour into a buttered dish.

  6. Allow to cool and cut into squares.

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.

Photo for illustrative purposes only · Contact us to use it

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

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

  2. Milk + cocoatop 10% of all pairs
    Smell alikemoderate
    Cooked together643 recipes

    Shared aroma: methyl 2-methylbutyrate (fruity, apple).

  3. Butter + cocoatop 15% of all pairs
    Smell alikemoderate
    Cooked together548 recipes

    Shared aroma: delta-undecalactone (coconut, creamy).

  4. Sugar + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Sugar + milktop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

Sugar and milk barely smell alike, yet cooks put them together in 77,875 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

Sugar
Sweetens the fudge and, as it dissolves and cools, helps form its smooth, firm body.
Milk
Adds liquid and milk solids that give the fudge a creamy, softer texture.
Cocoa
Supplies the chocolate flavour and colour of the fudge.
Butter
Adds fat for richness and a smoother mouthfeel.

The step that matters

Testing for thickness with the saucer drop. Sugar concentration determines the final texture. Removing the pan too early leaves the fudge soft and runny, while cooking too long makes it hard and grainy. The saucer test shows when the mixture has thickened enough to set.

Swap the cocoa

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

  1. Almondfits about as well
  2. Cocoathe original
  3. Pecansfits about as well
  4. Peanutfits less well

Fit is the average pairing score against sugar, butter, milk. 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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