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Duchess Potatoes

A baked potato dish mixed with butter, egg, cream, and seasonings, formed into cakes or balls.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Duchess Potatoes

Ingredients

Directions

Prepare the potatoes

  1. Wash, peel, and boil the potatoes.

  2. Drain all water and dry the potatoes thoroughly.

  3. Once dry, add butter, salt, and pepper, then mash thoroughly and quickly.

Shape

  1. Add the beaten egg and cream, and mix well.

  2. Form the mixture into a flat cake about 1 inch thick.

  3. Shape into rounds or balls and brush the tops with butter.

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 + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  2. Potato + buttertop 13% of all pairs
    Smell alikemoderate
    Cooked together6,456 recipes

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

  3. Potato + creamtop 17% of all pairs
    Smell alikelow
    Cooked together2,481 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

  4. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Potato + white peppertop 20% of all pairs
    Smell alikelow
    Cooked together157 recipes

    Shared aroma: myrcene (balsamic, herbaceous).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Potatoes
Provide the starchy base that mashes into a smooth, pipeable structure.
Egg
Binds the mashed potato so the shaped pieces hold their form.
Cream
Adds moisture and richness, softening the mash for a smoother texture.
Butter
Adds fat and flavour to the mash and helps the tops brown when brushed on.

The step that matters

Drain and dry the potatoes thoroughly. Excess water dilutes the mash and makes it loose and sticky, so the shaped potatoes may not hold their form. Drying the potatoes well before mashing keeps the texture firm and smooth.

Swap the white pepper

How well each one fits the dish's main ingredients (potato, egg, butter, cream):

  1. Nutmegfits better
  2. Parsleyfits better
  3. Tarragonfits better
  4. White pepperthe original

Fit is the average pairing score against potato, egg, butter, cream. 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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