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Irish Macaroni

A baked casserole of mashed potatoes, butter, cream, egg, and cheese.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 41,516 recipes. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓

Irish Macaroni

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).

Make the casserole

  1. In a bowl, mix the mashed potatoes with butter, salt, pepper, cream, and beaten egg.

  2. Stir in the grated cheese until well combined.

  3. Transfer the mixture to a baking dish and top with additional grated cheese.

Bake and serve

  1. Bake until the top is brown and bubbly.

  2. Serve hot.

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 + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  2. Butter + cheesetop 8% of all pairs
    Smell alikemoderate
    Cooked together7,962 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

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

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

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

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

  5. Potato + cheesetop 15% of all pairs
    Smell alikemoderate
    Cooked together959 recipes

    Shared aroma: sotolon (curry, maple).

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

What each ingredient does

Mashed potatoes
Form the bulk of the casserole and give it a soft, starchy body.
Egg
Binds the mixture and helps it set as it bakes.
Cheese
Adds savory flavor and melts into the bake, browning on top.
Cream
Adds moisture and richness, keeping the potatoes creamy.
Butter
Adds fat for richness and flavor.

The step that matters

Bake until the top is brown and bubbly. The mixture is set by the egg as it heats through, and the cheese browns on the surface. Stopping too early leaves the center loose and the top pale, while overbaking can dry the potatoes out.

Swap the potato

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

  1. Potatothe original
  2. Capsicumfits about as well
  3. Asparagusfits about as well
  4. Spinachfits about as well

Fit is the average pairing score against butter, pepper, cream, egg, cheese. 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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