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Escaloped Fish

A baked fish dish with a custard‑like cream sauce and cracker crumbs topping.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Escaloped Fish

Ingredients

Directions

The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare the fish

  1. Boil the fish until cooked, then flake it into small pieces.

Make the sauce

  1. In a saucepan, boil the milk with the onion, then strain out the onion.

  2. Return the milk to the heat, add the butter, and stir in a little flour until thickened.

  3. Season with pepper and salt, and cook until it reaches a custard‑like consistency.

Assemble and bake

  1. In a baking dish, layer the fish, then the cream sauce, followed by a layer of cracker crumbs.

  2. Dot with a little butter, season with salt and pepper, and squeeze lemon juice over the top.

  3. Bake at 400°F (200°C) for 15 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. Pepper + lemontop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

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

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

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

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

  4. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Cod or halibut
Forms the flaky body of the dish, providing the main protein and texture.
Milk
Forms the base of the sauce, adding moisture and a creamy richness when thickened.
Butter
Adds fat and richness to the sauce and browns the crumb topping.
Flour
Thickens the milk into a smooth sauce that binds the fish layers together.
Cracker crumbs
Forms a crisp, browned topping over the creamy fish layers.

The step that matters

Thickening the sauce. Flour must be stirred into hot milk and cooked until thickened so it sets smoothly; if it is added too little or unevenly, the sauce stays thin or forms lumps, and the custard-like texture fails to develop.

Swap the onion

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

  1. Arrowrootfits better
  2. Shallotfits better
  3. Potatofits better
  4. Onionthe original

Fit is the average pairing score against milk, butter, flour, pepper, lemon. 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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