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Dessert

Chocolate Fudge

Chocolate fudge is a sweet treat made by cooking chocolate, sugar, milk, and butter until it hardens, then flavored with vanilla.

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

Why it works: Vanilla and milk 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

Make the fudge

  1. Put all ingredients except vanilla into a saucepan.

  2. Cook until the mixture hardens when dropped into cold water.

Finish and cut

  1. Add vanilla and beat until the mixture begins to cool.

  2. When cool enough, 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. Vanilla + milktop 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. Chocolate + sugartop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

Chocolate
Provides the main chocolate flavour and firm body of the fudge.
Sugar
Sweetens the fudge and, as it cooks, helps set its smooth, firm texture.
Milk
Adds moisture and richness, dissolving the sugar into a creamy base.
Butter
Adds fat for a smoother, richer mouthfeel and softer bite.

The step that matters

Cook until the mixture hardens when dropped into cold water. Sugar concentration determines the final texture. Stopping too early leaves the fudge soft and runny, while cooking too long makes it hard and grainy. The cold-water test shows when enough water has evaporated to reach the right set.

“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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