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Sweetbread Croquettes

Small rolls of sweetbread and onion in a buttery sauce, coated in crumbs and fried.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Sweetbread Croquettes

Why it works: Butter and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 27,232 recipes. Both carry delta-decalactone, which smells sweet, creamy. The science ↓

Sweetbread Croquettes

Ingredients

Directions

Prepare the sweetbreads

  1. Soak sweetbreads in cold salted water for 1 hour.

  2. Boil sweetbreads in more cold salted water.

  3. Cool sweetbreads in cold water.

  4. Trim off all flesh and membrane.

  5. Chop or grate the sweetbreads or ham.

Make the sauce

  1. Melt butter in a saucepan and sauté grated onion until it begins to color.

  2. Stir in flour and boiling water, then let sauce boil.

  3. Add chopped sweetbreads or ham to sauce and boil while stirring continuously.

  4. Remove from heat and stir in egg yolks.

  5. Pour mixture onto an oiled dish to cool.

Shape and fry

  1. Wet hands with cold water and shape mixture into small cork-shaped rolls.

  2. Coat rolls in cracker dust, dip in beaten eggs, coat again in cracker dust.

  3. Fry croquettes in hot fat until golden brown, then drain on brown paper.

  4. Serve hot, garnished with lemon slices or fresh parsley.

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.

Photo for illustrative purposes only · Contact us to use it

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. Butter + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together27,232 recipes

    Shared aroma: delta-decalactone (sweet, creamy).

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. Egg + breadtop 13% of all pairs
    Smell alikemoderate
    Cooked together22,662 recipes

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

  4. Butter + oniontop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

  5. Onion + breadtop 15% of all pairs
    Smell alikemoderate
    Cooked together8,676 recipes

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

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

Sweetbreads
Provide the main meaty filling that gives the croquettes their body and texture.
Flour
Thickens the boiling water into a sauce that binds the chopped meat together.
Eggs
Egg yolks set the mixture and beaten eggs help the crumb coating stick.
Butter
Adds fat and richness to the sauce and carries the onion flavor.
Cracker dust or bread crumbs
Forms a coating that browns and turns crisp when fried.

The step that matters

Cool the mixture fully before shaping. As the flour sauce cools, its starch thickens and firms, so the mixture holds its shape. Shaping it while still soft makes the rolls slump and break apart in the hot fat.

Swap the onion

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

  1. Shallotfits better
  2. Asparagusfits better
  3. Leekfits better
  4. Onionthe original

Fit is the average pairing score against butter, flour, egg, bread, 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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