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Dessert

Potato Cake

A sweet cake made with mashed potatoes, chocolate, walnuts, and spices.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 12 ingredients
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Potato 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. In a bowl, mix the mashed potatoes with the milk.

Make the batter

  1. In a separate bowl, cream the butter and sugar together.

  2. Add the eggs one at a time, mixing well after each addition.

  3. Stir in the chocolate, walnuts, and the potato mixture.

  4. In another bowl, combine the flour, baking powder, cloves, cinnamon, and nutmeg.

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

Bake

  1. Pour the batter into a greased cake pan and bake for 30-40 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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

  2. Milk + potatotop 9% of all pairs
    Smell alikemoderate
    Cooked together3,611 recipes

    Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).

  3. Chocolate + walnuttop 10% of all pairs
    Smell alikemoderate
    Cooked together1,548 recipes

    Shared aroma: 3-ethyl-2,5-dimethylpyrazine (roasted, nutty).

  4. Potato + walnuttop 11% of all pairs
    Smell alikestrong
    Cooked together342 recipes

    Shared aroma: 2-undecenal (sweet).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

Butter
Creams with sugar to trap air and add richness and tender texture.
Flour
Provides the structure that holds the cake together as it bakes.
Eggs
Bind the batter and add structure, moisture and richness.
Sugar
Sweetens the cake and helps create a tender crumb when creamed with butter.
Baking powder
Releases gas during baking, helping the cake rise and become light.
Mashed potato
Adds moisture and a dense, soft texture to the crumb.

The step that matters

Gradually add the dry ingredients to the wet mixture. Overmixing once flour is added develops gluten, which toughens the cake. Stirring only until just combined keeps the crumb tender.

Swap the potato

How well each one fits the dish's main ingredients (butter, flour, chocolate, milk, sugar, walnut, egg):

  1. Sweet potatofits about as well
  2. Capsicumfits about as well
  3. Arrowrootfits about as well
  4. Potatothe original

Fit is the average pairing score against butter, flour, chocolate, milk, sugar, walnut, 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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