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Dessert

Black Fruit Cake

A dense cake made with raisins, currants, citron, molasses, and brandy, baked with butter, sugar, flour, eggs, and spices.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Raisin and flour match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 9,075 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Black Fruit Cake

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point. The book gives no cooking times either; the times in the steps were added in transcription, so check for doneness rather than trusting the clock.

Prepare the batter

  1. Preheat the oven to 350°F (175°C).

  2. In a large bowl, cream together the butter and sugar until light and fluffy.

  3. Add the molasses and eggs, mixing well.

  4. In a separate bowl, combine the flour, baking soda, and spices.

  5. Gradually add the dry ingredients to the wet mixture, stirring until just combined.

  6. Fold in the raisins, currants, and citron.

  7. Stir in the brandy.

Bake

  1. Pour the batter into greased loaf pans.

  2. Bake for about 1 hour or until a toothpick inserted in the center comes out clean.

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. Raisin + flourtop 1% of all pairs
    Smell alikestrong
    Cooked together9,075 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Currant + brandytop 7% of all pairs
    Smell alikelow
    Cooked together3,057 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  3. Raisin + curranttop 10% of all pairs
    Smell alikelow
    Cooked together6,180 recipes

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

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

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Eggs
Bind the batter and add structure as they set during baking.
Butter
Adds richness and, creamed with sugar, traps air for a light texture.
Sugar
Sweetens the cake and helps create a tender crumb when creamed with butter.
Flour
Provides the structure that holds the cake together as it bakes.
Baking soda
Reacts with the molasses to help the cake rise and lighten.
Molasses
Adds dark color, moisture, and a deep, slightly acidic flavor.

The step that matters

Gradually add the dry ingredients to the wet mixture. Adding flour in portions and stirring only until combined limits gluten development, keeping the cake tender rather than tough.

Swap the currant

How well each one fits the dish's main ingredients (raisin, sugar, butter, molasses, egg, flour, brandy):

  1. Vanillafits better
  2. Figfits better
  3. Currantthe original
  4. Applefits about as well

Fit is the average pairing score against raisin, sugar, butter, molasses, egg, flour, brandy. 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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