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Fudge Sandwiches

A sweet treat made by spreading fudge between butter thins or plain crackers.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

Fudge Sandwiches

Ingredients

Directions

Make the fudge

  1. In a saucepan, combine brown sugar, milk, butter, and melted chocolate.

  2. Boil for 7 minutes, stirring constantly.

  3. Remove from heat and beat until thick and creamy.

Assemble

  1. Spread the fudge thickly between butter thins or plain crackers.

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. Walnut + chocolatetop 10% of all pairs
    Smell alikemoderate
    Cooked together1,548 recipes

    Shared aroma: 3-ethyl-2,5-dimethylpyrazine (roasted, nutty).

  3. Sugar + chocolatetop 13% of all pairs
    Smell alikemoderate
    Cooked together15,404 recipes

    Shared aroma: guaiacol (smoky, sweet).

  4. Milk + chocolatetop 13% of all pairs
    Smell alikemoderate
    Cooked together9,128 recipes

    Shared aroma: gamma-nonanolactone (coconut, sweet).

  5. Walnut + buttertop 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

Brown sugar
Provides sweetness and moisture, and helps the fudge set soft and rich.
Milk
Adds moisture and dissolves the sugar into a smooth, creamy base.
Butter
Adds fat for a smooth, tender texture and rich flavour.
Melted chocolate
Adds chocolate flavour and fat that help make the fudge creamy.

The step that matters

Beating after removing from heat. Beating while the mixture cools lets sugar crystals form in a controlled way, giving a smooth, thick texture rather than a grainy or runny one.

Swap the walnut

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

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

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