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Roe Croquettes

A fried croquette made from fish roes, mashed potatoes, butter, parsley, and cracker crumbs.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Roe Croquettes

Ingredients

Directions

Prepare the roe mixture

  1. Parboil the roes, then cool and rub them into a loose granulated mass.

  2. Add ⅓ cup of mashed potatoes to the roes and mix thoroughly.

  3. Incorporate the drawn butter, chopped parsley, salt, and pepper.

  4. Heat the mixture in a dish until hot.

Shape, coat and fry

  1. When cool enough to handle, shape into small rolls.

  2. Dip each roll into the beaten egg, then coat with cracker crumbs.

  3. Fry in drippings until golden brown.

  4. Drain and serve on a hot dish.

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. Parsley + peppertop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  2. Potato + parsleytop 5% of all pairs
    Smell alikemoderate
    Cooked together2,855 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

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

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

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

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

  5. Roe + eggtop 14% of all pairs
    Smell alikemoderate
    Cooked together243 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

Roes
Provide the main body and rich flavor of the croquettes.
Mashed potatoes
Add bulk and softness, helping the mixture hold together when shaped.
Drawn butter
Adds richness and moisture, keeping the interior tender.
Raw egg
Binds the coating so the cracker crumbs adhere and form a crust.

The step that matters

Shaping the rolls while the mixture is still warm enough to bind. Shape the rolls only once the mixture has cooled enough to handle. If it is still hot, it stays soft and sticky and will not hold its shape; if it is too cold, it becomes stiff and crumbly. Firm, even rolls keep their form during frying.

Swap the potato

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

  1. Chivefits about as well
  2. Potatothe original
  3. Shallotfits about as well
  4. Capsicumfits about as well

Fit is the average pairing score against roe, butter, parsley, pepper, egg. 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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