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To Mash Potatoes

A molded, browned potato loaf made by boiling, mashing, and baking potatoes with butter and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

To Mash Potatoes

Ingredients

Directions

Prepare the potatoes

  1. Boil the potatoes until tender.

  2. Peel the potatoes and remove any eyes and lumps.

  3. Beat the potatoes with butter and coarse sea salt until smooth.

  4. Force the mixture into a floured mold.

Brown and serve

  1. Turn the mold into a tureen, using the flour to help release it.

  2. Brown the potatoes before the fire, turning gently to maintain shape.

  3. Serve when nicely browned.

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 + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

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

  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. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

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

Potatoes
Form the bulk of the loaf, giving body and a soft, mashed texture.
Butter
Adds fat and richness, smoothing the mash and giving a softer texture.
Flour
Dusts the mold so the loaf releases cleanly and keeps its shape.

The step that matters

Browning the potatoes before the fire. Browning depends on surface heat and moisture loss, so the loaf must be turned gently. Rough turning can break the shape, and uneven heat leaves pale patches instead of an even golden crust.

Swap the potato

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

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

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