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Cod Fish Croquettes

Cod fish croquettes are fried cod fish shaped into cones, coated in breadcrumbs and egg.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Fish and bread are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 1,668 recipes. Both carry 2-undecenal, which smells sweet. The science ↓

Cod Fish Croquettes

Ingredients

Directions

Prepare the cod

  1. Soak the cod fish overnight.

  2. Drain and pour boiling water over the fish, keeping it on the stove for a few moments.

  3. Drain again.

Shape and fry

  1. Add bread crumbs, beaten eggs, pepper, and onion juice to the fish.

  2. Shape the mixture into cones.

  3. Dip each cone in egg and then in bread crumbs.

  4. Fry in deep oil until golden brown.

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. Fish + breadtop 10% of all pairs
    Smell alikemoderate
    Cooked together1,668 recipes

    Shared aroma: 2-undecenal (sweet).

  2. Pepper + oniontop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  3. Bread + eggtop 13% of all pairs
    Smell alikemoderate
    Cooked together22,662 recipes

    Shared aroma: (e)-2-octenal (fatty, green).

  4. Bread + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together8,676 recipes

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

  5. Bread + peppertop 16% of all pairs
    Smell alikemoderate
    Cooked together20,964 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

What each ingredient does

Cod fish
Provides the main body and flavour of the croquettes.
Bread crumbs
Absorb moisture and give the shaped croquettes body and a crisp coating.
Eggs
Bind the mixture together and help the outer coating adhere.

The step that matters

Draining the cod after soaking and scalding. Excess water left in the fish dilutes the binding and makes the mixture soft and hard to shape. Draining well keeps the cones firm enough to hold together in the hot oil.

Swap the onion

The recipe marks onion as optional. How well each one fits the dish's main ingredients (fish, bread, egg, pepper):

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

Fit is the average pairing score against fish, bread, 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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