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Dessert

Fruit Cake

A dense cake made with sugar, butter, flour, eggs, sour cream, baking soda, raisins, currants, citron, nutmeg, cinnamon, mixed spice, and cloves.

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 ↓

Fruit Cake

Ingredients

Directions

The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the batter

  1. Preheat the oven to 300°F (150°C).

  2. Cream together the sugar and butter until light and fluffy.

  3. Beat in the eggs one at a time, mixing well after each addition.

  4. Stir in the sour cream and baking soda until well combined.

  5. Gradually add the flour, mixing until just incorporated.

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

  7. Add the grated nutmeg, cinnamon, mixed spice, and cloves, and mix well.

Bake

  1. Pour the batter into a greased cake pan.

  2. Bake for 2 hours 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. Flour + raisintop 1% of all pairs
    Smell alikestrong
    Cooked together9,075 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

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

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

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

  4. Flour + nutmegtop 8% of all pairs
    Smell alikemoderate
    Cooked together18,623 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

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

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Butter
Creams with sugar to trap air and give the cake a tender, rich crumb.
Eggs
Add structure and set the batter as they bake, binding the fruit.
Flour
Forms the main structure of the cake once its proteins set in the oven.
Baking soda
Reacts with the sour cream's acidity to produce gas that helps the cake rise.
Sour cream
Adds moisture and acidity, tenderizing the crumb and activating the baking soda.
Raisins
Add moisture and chewy sweetness throughout the cake.

The step that matters

Adding the flour. Mixing flour only until just incorporated keeps gluten development limited, so the cake stays tender rather than tough and dense.

Swap the currant

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

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

Fit is the average pairing score against sugar, butter, flour, egg, cream, raisin, 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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