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Dessert

Soft Molasses Cake

A moist cake made with molasses, ginger, cinnamon, baking soda, vinegar, butter, boiling water, flour, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Ginger and cinnamon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 6,380 recipes. Both carry estragole, which smells anise, licorice. The science ↓

Soft Molasses 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.

Prepare

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

Make the batter

  1. In a bowl, mix molasses, ginger, cinnamon, baking soda, and vinegar until well combined. Add melted butter and mix again.

  2. Stir in boiling water until smooth.

  3. Gradually add flour and salt, mixing until just combined.

Bake

  1. Pour the batter into a greased baking pan.

  2. Bake for 20 minutes 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. Ginger + cinnamontop 1% of all pairs
    Smell alikestrong
    Cooked together6,380 recipes

    Shared aroma: estragole (anise, licorice).

  2. Cinnamon + flourtop 9% of all pairs
    Smell alikemoderate
    Cooked together17,341 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Molasses + cinnamontop 11% of all pairs
    Smell alikelow
    Cooked together4,928 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 + gingertop 14% of all pairs
    Smell alikelow
    Cooked together4,116 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

Molasses
Provides dark color, moisture, and a deep, sweet flavor.
Baking soda
Reacts with the acidic vinegar and molasses to release gas, helping the cake rise.
All-purpose flour
Builds the cake's structure as its proteins set during baking.
Vinegar
Acidity reacts with baking soda to create lift and sharpens the molasses flavor.
Melted butter
Adds fat for a tender crumb and richer texture.

The step that matters

Gradually add flour and salt, mixing until just combined. Overmixing once flour is added develops gluten, which can make the cake tough and dense. Mixing only until the flour disappears keeps the crumb tender.

Swap the ginger

How well each one fits the dish's main ingredients (molasses, cinnamon, vinegar, butter, flour):

  1. Nutmegfits better
  2. Allspicefits better
  3. Clovefits better
  4. Gingerthe original

Fit is the average pairing score against molasses, cinnamon, vinegar, butter, flour. 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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