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Dessert

Fruit Cake

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

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 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

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

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

Make the batter

  1. Cream together the butter and brown sugar until smooth.

  2. Add the molasses, eggs, and sour milk, mixing well.

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

  4. Gradually add the flour mixture to the wet ingredients, mixing until combined.

  5. Fold in the currants and raisins, and add flavoring to taste.

Bake

  1. Pour the batter into a greased pan and bake for 1½ hours.

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

Eggs
Bind the batter and add structure as they set during baking.
Flour
Forms the main structure of the cake as its proteins set in the oven.
Baking soda
Reacts with the sour milk to produce gas that helps the cake rise.
Butter
Adds fat for tenderness and richness, and carries flavor through the crumb.
Molasses
Adds moisture, dark color, and a deep sweetness with a hint of acidity.
Sour milk
Its acidity activates the baking soda, helping the cake rise and stay tender.

The step that matters

Adding the flour mixture gradually. Mixing flour into wet ingredients in portions keeps the batter evenly combined and avoids lumps. Overmixing once flour is in develops gluten, which can make the cake tough and 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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