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Dessert

Holiday Cake

A moist molasses cake with raisins, currants, and citron, baked in a loaf pan.

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 ↓

Holiday 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 the batter

  1. Preheat oven to 350°F (175°C).

  2. In a large bowl, cream shortening and sugar together.

  3. Add molasses, salt, and mixed spices, and mix well.

  4. Dissolve baking soda in 1-2 cups of water and add to the mixture.

  5. Gradually add flour until batter is quite thick.

  6. Fold in chopped citron, raisins, and currants.

Bake

  1. Pour batter into two medium-sized loaf pans.

  2. Bake for about 45-60 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. Flour + raisintop 1% of all pairs
    Smell alikestrong
    Cooked together9,075 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

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

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

    Shared aroma: ethanol (alcoholic, ethereal).

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

    Shared aroma: ethanol (alcoholic, ethereal).

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

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

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

What each ingredient does

Shortening
Creaming with sugar traps air and gives the cake a tender, fine crumb.
Molasses
Adds moisture, dark color, and a deep, slightly bitter sweetness.
Baking soda
Reacts with the acidic molasses to release gas, helping the cake rise.
Flour
Forms the structure that holds the batter and fruit together as it bakes.
Citron
Provides chewy texture and concentrated candied-fruit flavor throughout the cake.

The step that matters

Adding the baking soda and gradually adding flour. Baking soda needs to be dissolved and mixed in evenly so it reacts with the molasses and lifts the batter. Adding flour gradually keeps the batter smooth and prevents lumps, so the structure forms evenly.

Swap the currant

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

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

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