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Potato Puff

A baked dish of mashed potatoes mixed with butter, milk, eggs, salt, and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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 ↓

Potato Puff

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.

Make the mixture

  1. Combine the mashed potatoes, salt, pepper, butter, and enough hot milk to moisten in a bowl.

  2. Let the mixture cool slightly, then fold in the beaten egg yolks.

  3. Gently fold in the beaten egg whites.

Bake

  1. Transfer the mixture to a baking dish and bake at 400°F (200°C) for 10 minutes.

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

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

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

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

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

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

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

    Shared aroma: decanal (soap, orange peel).

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

What each ingredient does

Mashed potatoes
Form the bulk of the puff and give it a soft, fluffy body.
Egg yolks
Enrich the mixture and add richness and structure as it sets.
Egg whites
Whipped into foam, they lighten the mixture and help it rise in the oven.
Butter
Adds fat for richer flavor and a softer, more tender texture.
Hot milk
Moistens the potatoes so the mixture is smooth and easy to fold.

The step that matters

Fold in the egg whites gently. Whipped egg whites trap air that makes the puff rise. Stirring or deflating them vigorously knocks out that air, so the puff bakes up flat and dense instead of light.

Swap the potato

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

  1. Capsicumfits about as well
  2. Potatothe original
  3. Asparagusfits about as well
  4. Chivefits less well

Fit is the average pairing score against pepper, butter, milk, 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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