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Dessert

Plum Cakes

A sweet cake made with flour, butter, sugar, eggs, currants, and sultanas, baked until golden.

From an old cookbook · modernised transcription
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Why it works: Flour and butter are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Plum Cakes

Oven, in the book's wordsA very quick oven

Ingredients

Directions

The book says “a very quick oven”. The 400°F (200°C) in the steps is the modern equivalent, not the book's own figure.

Make the batter

  1. Cream the butter and sugar together.

  2. Beat the eggs well and gradually add them to the mixture, beating continuously.

  3. Stir in the mixed currants and sultanas.

  4. Add the flour and mix until the mixture is stiff.

Bake

  1. Grease and flour a flat baking tin.

  2. Drop the mixture in small quantities onto the tin, allowing space for spreading.

  3. Bake in a very hot oven at 400°F (200°C) for a few minutes.

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Butter + curranttop 17% of all pairs
    Smell alikemoderate
    Cooked together7,856 recipes

    Shared aroma: isoamyl acetate (banana, pear).

  5. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

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

Butter
Creamed with sugar to trap air and give the cakes a tender, rich texture.
Flour
Provides the structure that holds the cakes together as they set in the oven.
Eggs
Bind the mixture and add richness, helping the cakes set with structure.
Castor sugar
Sweetens the cakes and helps trap air when creamed with butter.
Mixed currants and sultanas
Add sweetness and fruit flavour distributed through the cakes.

The step that matters

Adding the flour. Mixing the flour in only until the batter is stiff keeps it tender. Overmixing develops gluten, which makes the cakes tough and dense.

Swap the currant

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

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

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