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Dessert

Fruit Cake

A sweet baked cake made with butter, sugar, molasses, eggs, sour milk, baking soda, flour, currants, raisins, citron, and flavoring.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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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 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. Cream the butter and brown sugar together until light and fluffy.

  3. Add the molasses and mix well.

  4. Beat in the eggs one at a time.

  5. Stir in the sour milk and baking soda.

  6. Gradually add the flour, mixing until combined.

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

Bake

  1. Pour the batter into a greased cake pan.

  2. Bake for about 1 hour or until a toothpick 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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  3. Currant + raisintop 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

Butter
Creams with sugar to trap air, giving a tender, fine crumb and rich flavor.
Eggs
Add structure and richness, binding the batter as they set in the oven.
Flour
Forms the main structure of the cake as its proteins set during baking.
Baking soda
Reacts with the acidic sour milk and molasses to release gas, helping the cake rise.
Molasses
Adds moisture, dark color and a deep sweetness to the cake.
Sour milk
Its acidity activates the baking soda and adds tenderness to the crumb.

The step that matters

Baking soda with sour milk. Baking soda needs an acid to react and produce gas. Stirring it into the sour milk right away, then baking promptly, keeps the leavening working so the cake rises properly rather than staying dense.

Swap the currant

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

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

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

More fruit cake recipes

White 89Black 40Christmas 29Eggless 27Molasses 23Apple 17 See all 952 →

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