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Duchess Potatoes

A fried potato dough made with flour, baking powder, eggs, milk, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Potato and milk are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 3,611 recipes. Both carry (e,z)-2,6-nonadienal, which smells cucumber, melon. The science ↓

Duchess Potatoes

Ingredients

Directions

Prepare the dough

  1. Grate the cold boiled potatoes.

  2. In a bowl, lightly stir in the flour, baking powder, eggs, milk, and salt using a fork.

Fry

  1. Drop spoonfuls of the mixture into boiling lard.

  2. Fry until the balls are a rich brown.

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. Potato + milktop 9% of all pairs
    Smell alikemoderate
    Cooked together3,611 recipes

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

  2. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Potato + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together5,355 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + eggtop 15% of all pairs
    Smell alikelow
    Cooked together106,462 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Egg + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

Flour and milk barely smell alike, yet cooks put them together in 78,219 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

Potatoes
Provide the bulk and starchy body of the dough.
Flour
Adds structure so the balls hold their shape while frying.
Baking powder
Releases gas in the dough, helping the balls puff and stay light.
Eggs
Bind the mixture and set during frying to hold the balls together.
Milk
Adds moisture so the dough is soft and easy to shape into spoonfuls.

The step that matters

Dropping the spoonfuls into boiling lard. Very hot fat seals the outside of each ball quickly, helping it keep its shape and brown rather than falling apart or soaking up grease. The lard must be fully hot before the mixture goes in.

Swap the potato

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

  1. Arrowrootfits better
  2. Asparagusfits about as well
  3. Chivefits about as well
  4. Potatothe original

Fit is the average pairing score against flour, egg, milk. 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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