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Shaped Potato Border

A shaped border of potato puree, brushed with egg yolk and butter, baked until browned.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Potato and carrot match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 3,107 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓

Shaped Potato Border

Oven, in the book's wordsA very hot oven

Ingredients

Directions

The book says “a very hot oven”. The 400°F in the steps is the modern equivalent, not the book's own figure.

Prepare and shape

  1. Prepare a rich potato puree.

  2. Place the puree on a floured board.

  3. Shape it into a crown.

  4. Cut a carrot or turnip into a whistle shape.

  5. Dip the carrot or turnip in flour for decoration.

Glaze and bake

  1. Brush the shaped border with the egg yolk mixed with melted butter.

  2. Transfer the shape to a fireproof dish.

  3. Place it in a very hot oven (400°F / 200°C) to 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 + carrottop 4% of all pairs
    Smell alikestrong
    Cooked together3,107 recipes

    Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).

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

    Shared aroma: isobutyraldehyde (malty, green).

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

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

  4. Flour + carrottop 13% of all pairs
    Smell alikemoderate
    Cooked together8,029 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

Potato puree
Forms the body of the border and holds the crown shape while it bakes.
Egg yolk
Forms a glaze that helps the surface brown in the oven.
Melted butter
Adds richness to the glaze and helps the surface brown.

The step that matters

Browning in the very hot oven. The high heat sets the egg and butter glaze and browns the surface quickly. If the oven is not hot enough, the border stays pale and soft, and if it runs too long the glaze can darken too far, so watch it closely.

Swap the carrot

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

  1. Chivefits better
  2. Leekfits better
  3. Asparagusfits better
  4. Carrotthe original

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