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Dessert

Cocoa Fudge

A sweet confection made from sugar, milk, butter, cocoa powder, and optional nuts.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Milk and butter 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 ↓

Cocoa Fudge

Ingredients

Directions

  1. In a saucepan, combine white sugar and enough milk to moisten well.

  2. Add butter and bring to a boil.

  3. Dissolve cocoa powder in hot water and add to the mixture along with nuts.

  4. Boil until a drop in cold water forms a soft ball.

  5. Stir until the mixture begins to harden.

  6. Pour into a buttered pan and let cool.

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 + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Sugar + cocoa powdertop 14% of all pairs
    Smell alikemoderate
    Cooked together2,920 recipes

    Shared aroma: guaiacol (smoky, sweet).

  3. Butter + cocoa powdertop 14% of all pairs
    Smell alikemoderate
    Cooked together2,130 recipes

    Shared aroma: 2,3-pentanedione (butter, sweet).

  4. Milk + nutstop 17% of all pairs
    Smell alikemoderate
    Cooked together982 recipes

    Shared aroma: furaneol (caramel, strawberry).

  5. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

White sugar
Provides the bulk of the sweetness and forms the crystalline structure of the fudge.
Milk
Adds moisture to dissolve the sugar and contributes creaminess to the finished texture.
Butter
Adds fat for a smoother, richer mouthfeel and softer texture.
Cocoa powder
Provides chocolate flavour and colour.

The step that matters

Boil until a drop in cold water forms a soft ball. Sugar concentration sets the final texture. Stopping too early leaves the fudge soft and runny, while boiling too long makes it hard and grainy as sugar recrystallises.

Swap the nuts

The recipe marks nuts as optional. How well each one fits the dish's main ingredients (sugar, milk, butter, egg, cocoa powder):

  1. Cocoafits better
  2. Almondfits better
  3. Pecansfits better
  4. Nutsthe original

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