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Codfish Balls

Codfish balls are made from boiled potatoes, codfish, egg, and butter, then fried.

From an old cookbook · modernised transcription
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Why it works: Potato and butter are a kitchen classic. They rank in the top 13% of all ingredient pairs, and cooks put them together in 6,456 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Codfish Balls

Ingredients

Directions

Prepare

  1. Boil the halved potatoes and codfish together until the potatoes are done.

  2. Drain the water and mash the mixture.

Fry

  1. Add the egg and butter to the mashed mixture and mix well.

  2. Drop spoonfuls of the mixture into boiling fat and fry until browned.

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

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

  2. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  3. Potato + eggtop 29% of all pairs
    Smell alikemoderate
    Cooked together4,978 recipes

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

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

What each ingredient does

Potatoes
Starchy body that mashes into a soft base holding the balls together.
Codfish
Provides the main flavor and protein in the mixture.
Egg
Binds the mashed mixture so the balls hold their shape while frying.
Butter
Adds richness and moisture to the mashed mixture.

The step that matters

Drop spoonfuls into boiling fat and fry until browned. The fat must be hot enough to brown the outside quickly. If it is too cool, the balls absorb more oil, turn greasy, and may fall apart before they set.

Swap the potato

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

  1. Asparagusfits better
  2. Chivefits better
  3. Leekfits about as well
  4. Potatothe original

Fit is the average pairing score against egg, butter. 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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