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Dessert

Molasses Layer Cake

A moist cake made with molasses, spices, and a boiled icing topping.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Why it works: Clove and cinnamon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,189 recipes. Both carry ethyl cinnamate, which smells sweet, balsamic. The science ↓

Molasses Layer 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.

Make the batter

  1. Preheat oven to 350°F (175°C).

  2. In a bowl, mix molasses, shortening, and sugar until well combined.

  3. Dissolve baking soda in hot water and add to the mixture.

  4. Stir in vinegar, flour, cloves, and cinnamon until smooth.

Bake and fill

  1. Pour batter into a greased cake pan and bake for 30‑35 minutes.

  2. Let cake cool, then fill with boiled icing mixed with vinegar.

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. Clove + cinnamontop 1% of all pairs
    Smell alikestrong
    Cooked together14,189 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  2. Flour + cinnamontop 9% of all pairs
    Smell alikemoderate
    Cooked together17,341 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + cinnamontop 10% of all pairs
    Smell alikelow
    Cooked together30,779 recipes

    Shared aroma: guaiacol (smoky, sweet).

  4. Molasses + sugartop 11% of all pairs
    Smell alikemoderate
    Cooked together9,225 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  5. Molasses + cinnamontop 11% of all pairs
    Smell alikelow
    Cooked together4,928 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

Sugar and cinnamon barely smell alike, yet cooks put them together in 30,779 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 rich, sweet flavor to the cake.
Baking soda
Reacts with the vinegar and hot water to produce gas that lightens the batter.
Flour
Builds the cake's structure as its proteins set during baking.
Shortening
Adds fat that tenderizes the crumb and carries flavor.
Vinegar
Acidifies the batter so it reacts with the baking soda to help the cake rise.

The step that matters

Dissolving the baking soda in hot water. Baking soda must be fully dissolved and mixed in promptly so its reaction with the acid in the vinegar and molasses is evenly distributed, giving an even rise rather than dense or patchy spots.

Swap the clove

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

  1. Allspicefits about as well
  2. Nutmegfits about as well
  3. Clovethe original
  4. Cardamomfits about as well

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