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Scotch Eggs

Hard‑boiled eggs are coated in a ham‑bread crumb mixture and briefly fried.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Ham and bread are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 2,536 recipes. Both carry 2-acetyl-1-pyrroline, which smells popcorn, roasted. The science ↓

Scotch Eggs

Ingredients

Directions

Prepare the coating

  1. Cook the bread crumbs and milk together until a smooth paste forms.

  2. Combine the paste with the chopped ham, mixed mustard, cayenne, and raw egg; mix thoroughly.

Coat and fry

  1. Peel the hard-boiled eggs and cover them with the ham mixture.

  2. Place the coated eggs in a frying basket and plunge into boiling fat for 2 minutes.

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. Ham + breadtop 7% of all pairs
    Smell alikemoderate
    Cooked together2,536 recipes

    Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).

  2. Mustard + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

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

  3. Bread + milktop 11% of all pairs
    Smell alikemoderate
    Cooked together11,466 recipes

    Shared aroma: 2-undecenal (sweet).

  4. Bread + eggtop 13% of all pairs
    Smell alikemoderate
    Cooked together22,662 recipes

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

  5. Ham + mustardtop 14% of all pairs
    Smell alikelow
    Cooked together747 recipes

    Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).

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

What each ingredient does

Hard-boiled eggs
Form the firm centre that the ham coating surrounds.
Stale bread crumbs
Absorb the milk to form a paste that binds the coating.
Raw egg
Binds the ham mixture so it holds together around the eggs.
Cooked lean ham
Provides the savoury meat layer that forms the outer coating.

The step that matters

Plunge into boiling fat. The coating must be sealed quickly in very hot fat so the raw egg in the mixture sets and the outside browns before the mixture falls away or soaks up grease. Too cool a fat makes the coating greasy and loose.

Swap the mustard

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

  1. Capsicumfits better
  2. Asparagusfits better
  3. Tomatofits about as well
  4. Mustardthe original

Fit is the average pairing score against ham, bread, milk, 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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