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Dessert

Plum Cake

A fruit cake made with flour, sugar, butter, eggs, milk, and dried fruit.

From an old cookbook · modernised transcription
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Plum 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.

Make the batter

  1. Cream the butter by hand.

  2. Add the sugar and eggs one by one, beating well after each addition.

  3. Mix the baking powder, flour, and salt together.

  4. Gradually add the fruit and flour mixture to the butter and egg mixture.

  5. Add enough milk to achieve the right consistency.

Bake

  1. Place the batter in a cake tin lined with buttered paper.

  2. Bake in a moderate oven at 350°F (175°C) for two 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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  2. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  5. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and butter 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

Flour
Forms the cake's structure once its proteins set in the oven.
Butter
Creamed with sugar to trap air, giving the cake a tender, rich crumb.
Eggs
Bind the batter and add structure and richness as they set.
Baking powder
Releases gas in the oven, helping the cake rise.
Demerara sugar
Sweetens the cake and helps give it a moist, tender texture.

The step that matters

Adding the milk. Milk should be added only until the batter reaches the right consistency. Too much liquid makes the batter loose and can cause a dense or sunken cake, while too little leaves it stiff and dry.

Swap the currant

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

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

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