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Roast Beef Pie with Potato Crust

A pie of roast beef topped with a mashed potato crust, baked until golden.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 12 ingredients
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Why it works: Onion and potato are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Roast Beef Pie with Potato Crust

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 filling

  1. Cut the cold roast beef into slices and place in a stewpan.

  2. Add the saved gravy, butter, sliced onion, pepper, salt, and enough water to make gravy.

  3. Thicken the gravy by adding flour and simmer gently to avoid burning.

Make the potato crust

  1. Boil the potatoes until tender, then mash them smooth.

  2. Mix the mashed potatoes with milk and butter until creamy.

Assemble and bake

  1. Transfer the stewed meat to a baking dish and layer the mashed potatoes on top.

  2. Brush the potato layer with beaten egg.

  3. Bake in a 400°F (200°C) oven until the top is golden brown.

  4. Serve with tomato sauce, Worcestershire sauce, or your preferred sauce.

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. Onion + potatotop 3% of all pairs
    Smell alikemoderate
    Cooked together9,023 recipes

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

  2. Beef + oniontop 7% of all pairs
    Smell alikemoderate
    Cooked together17,092 recipes

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

  3. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

  4. Beef + potatotop 8% of all pairs
    Smell alikemoderate
    Cooked together2,052 recipes

    Shared aroma: sotolon (curry, maple).

  5. Pepper + potatotop 9% of all pairs
    Smell alikemoderate
    Cooked together8,305 recipes

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

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

What each ingredient does

Cold roast beef
Forms the main savory filling that the gravy binds together.
Flour
Thickens the gravy so it holds together rather than running out of the pie.
Potatoes
Form the mashed topping that becomes a soft interior under a browned surface.
Egg
Brushed on the potato layer to promote browning and a glossy golden top.
Butter
Adds richness and fat to both the gravy and the creamy mashed potato.

The step that matters

Simmer the gravy gently after adding flour. Flour thickens the gravy only when heated gently; high heat can scorch the bottom of the pan and give a burnt taste while the starch fails to disperse evenly.

Swap the onion

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

  1. Chivefits better
  2. Asparagusfits better
  3. Capsicumfits about as well
  4. Onionthe original

Fit is the average pairing score against beef, butter, pepper, flour, potato, 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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