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Dessert

Chocolate Fudge

A sweet fudge made with butter, sugars, molasses, cream, chocolate, and vanilla.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Chocolate Fudge

Why it works: Chocolate and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 10,020 recipes. Both carry sotolon, which smells curry, maple. The science ↓

Chocolate Fudge

Ingredients

Directions

Cook the fudge

  1. Melt the butter in a saucepan.

  2. In a separate bowl, mix the white sugar, brown sugar, molasses, and cream.

  3. Add the sugar mixture to the melted butter and bring to a boil.

  4. Boil for 2½ minutes, stirring rapidly.

  5. Add the grated chocolate and boil for 5 minutes, stirring rapidly at first, then more slowly.

Finish and set

  1. Remove from heat and stir in the vanilla.

  2. Stir constantly until the mixture thickens.

  3. Pour into a buttered pan and set in a cool place.

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. Chocolate + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together10,020 recipes

    Shared aroma: sotolon (curry, maple).

  2. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  3. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

    Shared aroma: beta-damascenone (apple, rose).

  4. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

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

  5. Sugar + molassestop 11% of all pairs
    Smell alikemoderate
    Cooked together9,225 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

Butter
Adds richness and fat, giving the fudge a smooth, tender texture.
White sugar
Provides sweetness and, as it dissolves and cooks, helps the fudge set firm.
Brown sugar
Adds sweetness, moisture, and a deeper caramel flavor.
Molasses
Adds moisture, a darker color, and a rich, slightly bitter depth of flavor.
Cream
Adds moisture and milk fat, which keeps the fudge creamy rather than grainy.
Chocolate
Adds chocolate flavor and fat, and helps firm the fudge as it cools.

The step that matters

Boiling time with rapid stirring. Boiling evaporates water and concentrates the sugar, which determines how firmly the fudge sets. Stopping too early leaves it soft and sticky, while boiling too long makes it hard or grainy. Constant stirring keeps the sugar from crystallizing unevenly.

“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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