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Scalloped Potatoes

A baked potato dish layered with milk, onion, and butter.

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

Scalloped Potatoes

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 the potatoes

  1. Boil the potatoes until tender, then slice them thin and cut into small squares.

Make the sauce

  1. In a saucepan, combine the milk, onion, and flour mixed with a little cold milk.

  2. Boil the mixture together.

  3. Remove the onion from the milk and pour it over the layered potatoes.

Layer and bake

  1. Cover the bottom of a small baking dish with a layer of potatoes. Season with bits of butter, salt, and pepper.

  2. Add another layer of potatoes and repeat until the dish is filled.

  3. Bake at 350°F (175°C) for about 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. Potato + oniontop 3% of all pairs
    Smell alikemoderate
    Cooked together9,023 recipes

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

  2. Milk + buttertop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

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

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

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

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

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

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

Potatoes
Form the bulk of the dish, becoming tender and absorbing the milk sauce as they bake.
Milk
Forms the liquid base of the sauce that bakes into a creamy coating around the potatoes.
Flour
Thickens the milk into a sauce so it clings to the potatoes instead of running off.
Butter
Adds richness and fat that carries flavor and helps the top brown lightly in the oven.

The step that matters

Boil the milk mixture together. Flour must be fully heated in the liquid to cook out its raw taste and thicken the sauce. Stirring it smooth before boiling prevents lumps.

Swap the onion

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

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

Fit is the average pairing score against potato, milk, flour, butter, 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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