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Duchesse Potatoes

A baked potato dish shaped into rolls and cut into cakes, flavored with butter, nutmeg, and egg yolks.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Pepper and nutmeg match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 13,015 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Duchesse Potatoes

Ingredients

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the potatoes

  1. Press the boiled potatoes through a colander.

  2. Season with salt, pepper, butter, and nutmeg.

  3. Add the beaten yolks of two eggs to the mashed potatoes.

Shape

  1. Flour your pastry board and hands.

  2. Take half of the mixture and shape it into a long roll.

  3. Cut round cakes from the end of the roll.

Brown and bake

  1. Brush the top of each cake with egg white.

  2. Brown in a 400°F (200°C) oven, or place the entire roll in a greased pan, brush with egg white, and 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. Pepper + nutmegtop 7% of all pairs
    Smell alikestrong
    Cooked together13,015 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  2. Potato + nutmegtop 8% of all pairs
    Smell alikemoderate
    Cooked together1,052 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  3. Nutmeg + flourtop 8% of all pairs
    Smell alikemoderate
    Cooked together18,623 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Potato + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together8,305 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  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

Boiled potatoes
Form the mashed base that gives the dish its body and soft interior.
Butter
Adds fat for richness and a smoother, more tender texture.
Egg yolks
Enrich the mixture and help bind it so the shapes hold together.
Egg white
Brushed on top, it helps the surface brown and turn glossy in the oven.

The step that matters

Brushing the top with egg white. Egg white promotes even browning and a glossy crust. Applied unevenly or too heavily, it can leave pale patches or pool and brown unevenly.

Swap the potato

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

  1. Shallotfits better
  2. Spinachfits better
  3. Chivefits better
  4. Potatothe original

Fit is the average pairing score against pepper, butter, nutmeg, egg, 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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