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Potato Border

A baked potato dish with a buttered border, made from mashed potatoes, eggs, and butter.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 Border

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 mixture

  1. Peel, boil, and mash the potatoes until fine and light.

  2. Add the butter, salt, pepper, and 2 well-beaten eggs to the mashed potatoes.

  3. Butter a border mold and pack the potato mixture into it.

Finish and brown

  1. Let it stand on the kitchen table for 10 minutes.

  2. Turn out onto a dish and brush with 1 well-beaten egg.

  3. Brown in the oven at 400°F (200°C).

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

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

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

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

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

    Shared aroma: decanal (soap, orange peel).

  5. Egg + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Potatoes
Mashed, they form the body and soft, light structure of the border.
Eggs
They bind the mashed potato so it holds its shape when turned out, and the glaze helps it brown.
Butter
Adds fat and richness, softening the potato texture and adding flavour.

The step that matters

Brushing with beaten egg before browning. The egg proteins set and brown in the oven, giving a glossy, golden crust. Uneven brushing leaves pale patches, so cover the whole surface evenly.

Swap the potato

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

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

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