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Dessert

Chocolate Fudge

A sweet chocolate confection made by boiling sugar, milk, butter, and cocoa, then cooling and cutting into squares.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Chocolate Fudge

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 ↓

Chocolate Fudge

Ingredients

Directions

Make the fudge

  1. In a large pot, mix together the granulated sugar, confectioner's sugar, sweet milk, and butter.

  2. Boil the mixture for five minutes.

  3. Add the cocoa or grated chocolate and boil for an additional three minutes.

  4. Remove from heat and beat the mixture until it thickens.

  5. If desired, stir in nuts after removing from heat.

Set and cut

  1. Pour into buttered pans and, when nearly cold, mark 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. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Walnut + nutstop 9% of all pairs
    Smell alikemoderate
    Cooked together284 recipes

    Shared aroma: alpha-pinene (pine, turpentine).

  3. Cocoa + nutstop 10% of all pairs
    Smell alikemoderate
    Cooked together65 recipes

    Shared aroma: furaneol (caramel, strawberry).

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

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

  5. Butter + walnuttop 15% of all pairs
    Smell alikemoderate
    Cooked together6,832 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

What each ingredient does

Granulated sugar
Provides sweetness and bulk, and helps form the fudge's soft crystalline structure as it cools.
Confectioner's sugar
Adds sweetness and fine crystals that contribute to a smoother, creamier texture.
Sweet milk
Supplies liquid and milk solids that give the fudge its creamy body and mouthfeel.
Cocoa or grated chocolate
Provides the chocolate flavor and color, and adds fat and solids that firm the fudge.
Butter
Adds fat for a rich mouthfeel and helps keep the fudge tender and smooth.

The step that matters

Beating until it thickens. Beating the hot mixture as it cools encourages fine sugar crystals to form, giving a smooth, creamy texture. Beating too late, after it has set, can leave the fudge grainy or hard to work with.

Swap the nuts

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

  1. Almondfits better
  2. Pecansfits about as well
  3. Pistachiofits about as well
  4. Nutsthe original

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