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Brain Sauce

A dish of boiled calf brains mixed with onion, vinegar, and spices, bound with egg and breadcrumbs, then fried into small cakes.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 11 ingredients
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Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Brain Sauce

Ingredients

Directions

Prepare the brains

  1. Soak the calf's brains in salt and water until needed.

  2. Tie the brains in muslin.

  3. Boil the brains with the calf's head for 20 minutes.

  4. If cooking separately, cover the brains with water in a stewpan.

  5. Add salt, vinegar, onion slices, peppercorns, and bay leaf.

  6. Cook gently for 20 minutes or until firm.

Make the sauce

  1. Once cool, chop the brains finely.

  2. Season the chopped brains with salt and pepper.

  3. Add enough beaten egg to bind the mixture together.

  4. Stir over low heat until the mixture thickens.

  5. When cool, form into small round cakes.

Coat and fry

  1. Coat the cakes with egg and breadcrumbs.

  2. Fry in hot fat until lightly 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. Onion + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  2. Vinegar + oniontop 14% of all pairs
    Smell alikemoderate
    Cooked together18,226 recipes

    Shared aroma: acetic acid (sour, vinegar).

  3. Vinegar + peppertop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

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

  4. Vinegar + eggtop 33% of all pairs
    Smell alikelow
    Cooked together12,922 recipes

    Shared aroma: acetic acid (sour, vinegar).

  5. Pepper + eggtop 33% of all pairs
    Smell alikelow
    Cooked together50,580 recipes

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

Vinegar and egg barely smell alike, yet cooks put them together in 12,922 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

Calf's brains
Form the main body of the dish, providing a soft, rich texture when cooked.
Beaten egg
Binds the chopped brains together so the mixture holds its shape.
Breadcrumbs
Form a crisp outer coating that browns when fried.

The step that matters

Stir over low heat until the mixture thickens. Egg proteins set when heated, so high heat can curdle or scramble the egg, leaving a grainy mixture that will not bind well. Gentle heat lets the egg thicken it evenly.

Swap the onion

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

  1. Capsicumfits better
  2. Mustardfits better
  3. Cucumberfits better
  4. Onionthe original

Fit is the average pairing score against vinegar, 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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