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Dessert

Carl's Potato Cake

A sweet potato cake made with mashed potatoes, sugar, butter, eggs, and spices.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 13 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 ↓

Carl's Potato Cake

Oven, in the book's wordsA slow oven

Ingredients

Directions

The book says “a slow oven”. The 300°F (150°C) in the steps is the modern equivalent, not the book's own figure.

Prepare the batter

  1. Preheat the oven to 300°F (150°C).

  2. In a bowl, cream together the sugar and butter.

  3. Add the eggs and mix well.

  4. Stir in the mashed potatoes and sweet milk.

  5. Fold in the chopped walnuts, chocolate, flour, baking powder, cloves, cinnamon, nutmeg, and raisins.

Bake

  1. Pour the batter into a greased baking pan.

  2. Bake for 30 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. Potato + milktop 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. 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 give the cake a tender, rich crumb.
Eggs
Bind the batter and add structure as the cake sets in the oven.
Flour
Provides the main structure that holds the cake together as it bakes.
Baking powder
Releases gas during baking so the cake rises and becomes light.
Mashed potatoes
Add moisture so the cake stays soft and moist.
Sugar
Sweetens the cake and helps it brown and stay tender.

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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