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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

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Make the batter

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

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

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

  4. Stir in the milk, walnuts, and mashed potatoes.

  5. Melt the chocolate and mix it into the batter.

  6. In a separate bowl, combine the flour, baking powder, cloves, cinnamon, and nutmeg.

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

Bake

  1. Pour the batter into a greased cake pan.

  2. Bake for 45 minutes 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. 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. Walnut + chocolatetop 10% of all pairs
    Smell alikemoderate
    Cooked together1,548 recipes

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

  4. Walnut + potatotop 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
Creamed with sugar to trap air, giving the cake a light, tender crumb and rich flavor.
Eggs
Add structure and richness, binding the batter and helping it set as it bakes.
Flour
Forms the main structure of the cake once its starches set in the oven.
Baking powder
Releases gas during baking, helping the cake rise and become airy.
Mashed potatoes
Add moisture, helping the cake stay soft and moist after baking.
Chocolate
Adds deep flavor and richness to the cake.

The step that matters

Stirring in the dry ingredients. Overmixing once flour is added develops gluten, which can make the cake tough and dense. Stir only until the flour is just combined.

Swap the potato

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

  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 sugar, butter, egg, milk, walnut, chocolate, 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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