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Egg Croquettes

Egg croquettes are small fried cakes made from mashed hard‑boiled eggs, milk, butter, flour, parsley, onion juice, salt, and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 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 ↓

Egg Croquettes

Ingredients

Directions

Prepare the eggs

  1. Boil the eggs hard.

  2. Drop them in cold water.

  3. Remove the shells.

  4. Squeeze the eggs through a potato masher.

Make the filling

  1. Boil the milk.

  2. Mix in the flour and butter until well combined.

  3. Add the mashed eggs and other ingredients.

  4. Transfer the mixture to a platter.

  5. Let it cool for 3 hours.

Shape and fry

  1. Shape the mixture into croquettes.

  2. Dip them in beaten eggs.

  3. Coat with bread crumbs.

  4. Fry in boiling fat.

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

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

  3. Parsley + oniontop 9% of all pairs
    Smell alikemoderate
    Cooked together25,843 recipes

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

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

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

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

Eggs
Provide the bulk of the filling and bind it as they set when cooked.
Milk
Adds moisture and creaminess to the mashed egg mixture.
Flour
Thickens the milk and butter so the mixture holds its shape.
Butter
Adds richness and fat, giving a softer texture and flavor.

The step that matters

Let it cool for 3 hours. The mixture must be cold and firm before shaping; if it is still warm or soft, the croquettes will slump and may burst or fall apart in the hot fat.

Swap the onion

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

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

Fit is the average pairing score against egg, milk, butter, flour, parsley, 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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