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Scalloped Potatoes and Cheese

A baked dish of layered sliced potatoes, cheese, flour, and milk.

From an old cookbook · modernised transcription
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Why it works: Potato and milk are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 3,611 recipes. Both carry (e,z)-2,6-nonadienal, which smells cucumber, melon. The science ↓

Scalloped Potatoes and Cheese

Oven, in the book's wordsA moderate oven

Ingredients

Directions

The book says “a moderate oven”. The 350°F (175°C) in the steps is the modern equivalent, not the book's own figure.

Prepare

  1. Grease a baking dish.

Assemble

  1. Arrange a layer of sliced potatoes in the dish.

  2. Sprinkle with grated cheese and a little flour.

  3. Repeat layers until the dish is nearly full.

  4. Pour milk over the entire dish.

Bake

  1. Bake in a moderate oven at 350°F (175°C) until done.

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

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

  2. Cheese + milktop 10% of all pairs
    Smell alikemoderate
    Cooked together4,426 recipes

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

  3. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: sotolon (curry, maple).

  5. Potato + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together5,355 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Flour and milk barely smell alike, yet cooks put them together in 78,219 recipes: they work on texture and structure more than aroma.

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 and become tender as they cook in the milk.
Grated cheese
Melts into the milk and adds richness and a browned, savory top.
Flour
Thickens the milk as it heats, helping the sauce cling to the potatoes.
Milk
Cooks into a sauce that moistens the potatoes and sets around them.

The step that matters

Pour milk over the entire dish. The milk must reach every layer so the flour can thicken it and the potatoes cook evenly; uneven coverage leaves dry spots and pockets of raw starch.

“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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