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Dessert

Coffee Cake

A moist cake flavored with coffee, molasses, raisins, citron, currants, 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 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 the oven to 350°F (175°C).

  2. Cream the butter and sugar together until light and fluffy.

  3. Add the strong coffee and molasses, mixing well.

  4. In a separate bowl, combine the flour, baking soda, cream of tartar, and spices.

Make the batter

  1. Gradually add the dry ingredients to the wet mixture, stirring until just combined.

  2. Fold in the raisins, citron, and currants.

  3. Pour the batter into a greased baking pan.

Bake

  1. Bake for 30-40 minutes or 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 + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  3. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  4. Raisin + curranttop 10% of all pairs
    Smell alikelow
    Cooked together6,180 recipes

    Shared aroma: gamma-nonanolactone (coconut, creamy).

  5. Sugar + molassestop 11% of all pairs
    Smell alikemoderate
    Cooked together9,225 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Butter
Creams with sugar to trap air and give the cake a tender, rich texture.
Flour
Provides the structure that holds the cake together as it bakes.
Sugar
Adds sweetness and, creamed with butter, helps lighten the crumb.
Molasses
Adds moisture, deep sweetness and color to the cake.
Baking soda
Reacts with the acidic molasses and coffee to produce gas that makes the cake rise.
Cream of tartar
Acidifies the batter, supporting the baking soda's reaction and helping the rise.

The step that matters

Stirring the dry ingredients into the wet mixture. Once flour meets liquid, gluten begins to form. Stirring only until just combined keeps the crumb tender, while overmixing makes the cake tough.

Swap the currant

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

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

Fit is the average pairing score against butter, coffee, sugar, flour, molasses, raisin, cream. 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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