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Dessert

Coffee Cake

A moist cake made with sugar, butter, molasses, raisins, coffee, flour, eggs, baking soda, cloves, cinnamon, and nutmeg.

From an old cookbook · modernised transcription
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Why it works: Raisin and flour 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 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the batter

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

  2. In a large bowl, cream together the sugar and butter.

  3. Add the molasses, chopped raisins, and cold coffee; mix well.

  4. In a separate bowl, beat the eggs and add them to the mixture.

  5. Dissolve the baking soda in the coffee and stir it in.

  6. Add the flour, cloves, cinnamon, and grated nutmeg; mix until combined.

  7. Fold in optional ingredients if using.

Bake

  1. Pour the batter into a greased cake pan.

  2. Bake for 1 hour 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. Raisin + flourtop 1% of all pairs
    Smell alikestrong
    Cooked together9,075 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Raisin + clovetop 9% of all pairs
    Smell alikemoderate
    Cooked together4,070 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

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

    Shared aroma: ethanol (alcoholic, ethereal).

  4. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Molasses + raisintop 12% of all pairs
    Smell alikelow
    Cooked together3,577 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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 sets.
Eggs
Bind the batter and help it set and hold its shape when baked.
Butter
Adds fat for a tender crumb and rich flavor.
Sugar
Sweetens the cake and helps it brown during baking.
Molasses
Adds sweetness, moisture, and a deep, dark color and flavor.
Baking soda
Reacts with the acidic coffee and molasses to help the cake rise.

The step that matters

Dissolve the baking soda in the coffee. Baking soda needs an acid to react and release gas for rising. Dissolving it fully in the coffee before mixing spreads it evenly, so the cake rises uniformly instead of in patches.

Swap the clove

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

  1. Cinnamonfits better
  2. Nutmegfits better
  3. Gingerfits about as well
  4. Clovethe original

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