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Roast Beef Hash

A hash of cold beef, onions, potatoes, seasoned and cooked with gravy and catsup.

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

Ingredients

Directions

The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

  1. Mix the cold beef, minced onions, chopped potatoes, salt, pepper, beef gravy, and catsup together.

Cook and bake

  1. Fry the mixture until browned.

  2. Place it in a baking dish.

  3. Bake in a 350°F (175°C) oven for 30 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. 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. Beef + potatotop 8% of all pairs
    Smell alikemoderate
    Cooked together2,052 recipes

    Shared aroma: sotolon (curry, maple).

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

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

  5. Beef + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together18,971 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 beef
Provides the main protein and meaty flavor of the hash.
Onions
Add sweetness and aroma that deepen as they cook.
Potatoes
Add starch and body, giving the hash its bulk and texture.
Beef gravy
Adds moisture and savory depth that binds the mixture together.
Catsup
Adds sweetness and acidity, and helps the surface brown.

The step that matters

Fry the mixture until browned. Browning through the Maillard reaction creates deep savory flavor. If the mixture is crowded or wet, it steams instead of browning, so the flavor stays flat.

Swap the onion

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

  1. Capsicumfits about as well
  2. Tomatofits about as well
  3. Carrotfits about as well
  4. Onionthe original

Fit is the average pairing score against beef, potato, pepper. 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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