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Dessert

Black Fruit Cake

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

From an old cookbook · modernised transcription
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Why it works: Flour and raisin 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.

Prepare

  1. Soak the raisins in brandy overnight for better flavor.

Make the batter

  1. Cream the butter and brown sugar together until light and fluffy.

  2. Add the eggs one at a time, mixing well after each addition.

  3. Sift together the flour, nutmeg, cloves, and cinnamon, then gradually add to the butter mixture.

  4. Fold in the currants, raisins, citron, and almonds until evenly distributed.

Bake

  1. Pour the batter into prepared baking tins.

  2. Bake in a moderate oven at 350°F (175°C) 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. Flour + raisintop 1% of all pairs
    Smell alikestrong
    Cooked together9,075 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Raisin + almondtop 2% of all pairs
    Smell alikemoderate
    Cooked together1,781 recipes

    Shared aroma: 2-nonanone (fruity, floral).

  3. Almond + nutmegtop 4% of all pairs
    Smell alikestrong
    Cooked together2,115 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  4. Flour + almondtop 5% of all pairs
    Smell alikemoderate
    Cooked together8,673 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Raisin + nutmegtop 6% of all pairs
    Smell alikemoderate
    Cooked together5,377 recipes

    Shared aroma: alpha-terpineol (lilac, floral).

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 tenderness when creamed with the sugar.
Brown sugar
Adds sweetness and moisture, and helps the batter brown.
Flour
Provides the structure that holds the fruit and batter together.
Raisins
Add moisture and sweetness, and plumping them in brandy keeps them juicy.
Currants
Add concentrated fruit sweetness and chewy texture throughout the cake.

The step that matters

Soak the raisins in brandy overnight. Dried fruit soaked in liquid absorbs moisture and softens, so it stays juicy instead of drawing moisture out of the batter during baking.

Swap the currant

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

  1. Vanillafits better
  2. Figfits better
  3. Coconutfits better
  4. Currantthe original

Fit is the average pairing score against butter, sugar, flour, raisin, almond, egg, nutmeg. 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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