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Dry Hash

A baked dish of mashed potatoes mixed with cold cooked meat, egg, onion, pepper, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Potato and onion 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 ↓

Dry 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. Preheat the oven to 350°F (175°C).

Mix and bake

  1. In a bowl, mix the finely chopped cold cooked meat with the mashed potatoes, egg, and minced onion.

  2. Season the mixture with pepper and salt.

  3. Transfer the mixture to a baking dish and bake until heated through.

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 + oniontop 3% of all pairs
    Smell alikemoderate
    Cooked together9,023 recipes

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

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

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

  3. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  4. Meat + potatotop 14% of all pairs
    Smell alikemoderate
    Cooked together786 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

  5. Meat + oniontop 17% of all pairs
    Smell alikelow
    Cooked together6,364 recipes

    Shared aroma: 2,4-decadienal (seaweed).

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

What each ingredient does

Cold cooked meat
Provides the main body and savoury flavour of the hash.
Irish potatoes
Starch absorbs moisture and helps the mixture hold together.
Egg
Binds the mixture so it holds its shape when baked.
Onion
Adds aroma and a mild sweetness as it cooks.

The step that matters

Bake until heated through. The meat and potatoes are already cooked, so the goal is to heat the centre evenly. Stopping too early leaves the middle cold, while over-baking can dry the mixture out.

Swap the onion

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

  1. Capsicumfits better
  2. Asparagusfits better
  3. Spinachfits better
  4. Onionthe original

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