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Dessert

Chocolate Fudge

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

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Chocolate Fudge

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

Ingredients

Directions

  1. Moisten the sugar with milk in a saucepan.

  2. Bring to a boil, then add the butter and grated chocolate.

  3. Stir constantly until the mixture begins to separate around the edges.

  4. Remove from heat and stir in the vanilla.

  5. Beat the mixture until it thickens, then pour into buttered pans.

  6. Mark into squares just before it cools completely.

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 + 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. Milk + buttertop 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. Walnut + vanillatop 10% of all pairs
    Smell alikestrong
    Cooked together2,730 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

Granulated sugar
Provides the sweetness and the crystal structure that sets the fudge.
Milk
Moistens the sugar and adds richness and moisture to the fudge.
Chocolate
Supplies the chocolate flavour and fat that give the fudge its body.
Butter
Adds fat for a smoother texture and a richer mouthfeel.

The step that matters

Beat the mixture until it thickens. Beating while the mixture cools encourages fine sugar crystals to form, giving a smooth, creamy fudge rather than a grainy one. Pouring too early or too late changes the texture.

Swap the walnut

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

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

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