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Dessert

Coffee or Spice Cake

A moist cake made with butter, brown sugar, coffee, flour, eggs, raisins, citron, dates, lemon peel, and spices.

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 ↓

Coffee or Spice Cake

Oven, in the book's wordsA slow oven

Ingredients

Directions

The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Preheat the oven to 300°F (150°C).

Make the batter

  1. In a large bowl, mix melted butter and brown sugar until well combined.

  2. Stir in cold coffee, then add flour, eggs, baking powder, raisins, citron, dates, lemon peel, and spices. Mix until smooth and well incorporated.

  3. Pour the batter into a greased baking pan.

Bake

  1. Bake in the preheated oven until a toothpick inserted in the center 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. Raisin + datestop 12% of all pairs
    Smell alikemoderate
    Cooked together358 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

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

  5. Raisin + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together3,742 recipes

    Shared aroma: decanal (soap, orange peel).

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

Flour
Provides the structure that holds the cake together as it bakes.
Eggs
Add structure and richness, helping the batter set as it bakes.
Baking powder
Releases gas during baking, helping the cake rise and become light.
Brown sugar
Adds sweetness and moisture, and contributes to the cake's browning and flavor.
Melted butter
Adds fat for tenderness and richness in the crumb.
Cold coffee
Adds liquid to hydrate the batter and a deep, roasted flavor.

Swap the dates

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

  1. Vanillafits better
  2. Figfits better
  3. Orangefits better
  4. Datesthe original

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