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Dessert

Plum Cake

A sweet cake made with sugar, eggs, butter, flour, and raisins.

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 ↓

Plum 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

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

Make the batter

  1. In a mixing bowl, cream together the sugar and butter until light and fluffy.

  2. Add the eggs one at a time, mixing well after each addition.

  3. Gradually add the flour, mixing until just combined.

Add the raisins and bake

  1. Cut the raisins into two or three pieces each and roll them in a little flour.

  2. Fold the floured raisins into the cake batter.

  3. Pour the batter into a greased cake pan and 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 + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + raisintop 13% of all pairs
    Smell alikemoderate
    Cooked together12,481 recipes

    Shared aroma: beta-damascenone (apple, rose).

  4. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  5. Egg + flourtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 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

Sugar
Sweetens the batter and helps creamed butter trap air for a light texture.
Eggs
Bind the batter and add structure as the cake sets in the oven.
Butter
Adds fat and richness, and creaming it with sugar traps air for tenderness.
Flour
Provides the structure that holds the cake together as it bakes.
Seedless raisins
Add chewy pockets of fruit sweetness throughout the cake.

The step that matters

Adding the eggs one at a time. Beating each egg in fully before the next keeps the emulsion stable. Adding them all at once can split the batter, which affects the cake's texture.

“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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