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Scotch Beef Collops with Onions

A pan‑fry of thin beef collops and onions, seasoned with salt and pepper, served hot.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Beef and onion are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,092 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

Scotch Beef Collops with Onions

Ingredients

Directions

  1. Heat the butter in a pan.

  2. Add the beef collops and sliced onions.

  3. Season with pepper if using salted butter.

  4. Cover the pan with a lid or inverted plate and cook for about 10 minutes until done.

  5. Optional: Add oyster pickle or walnut catsup and boiling water to the onion gravy before serving.

  6. Dish and serve hot.

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. Beef + oniontop 7% of all pairs
    Smell alikemoderate
    Cooked together17,092 recipes

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

  2. Beef + peppertop 10% of all pairs
    Smell alikemoderate
    Cooked together18,971 recipes

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

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

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

  4. Butter + oystertop 12% of all pairs
    Smell alikemoderate
    Cooked together8,184 recipes

    Shared aroma: 2,6-nonadienal (cucumber, green).

  5. Onion + buttertop 15% of all pairs
    Smell alikemoderate
    Cooked together42,912 recipes

    Shared aroma: decanal (soap, orange peel).

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

What each ingredient does

Beef
Provides the main protein; thin slices cook quickly and stay tender when not overcooked.
Onions
Sweeten as they cook and form the base of the gravy, adding savory depth.
Butter
Adds fat for frying and rich flavor, and helps the onions brown gently.

The step that matters

Cover the pan and cook for about 10 minutes until done. Thin beef slices cook fast and toughen if overcooked, so checking for doneness at the end of the time matters. The lid traps steam, which gently cooks the meat and softens the onions.

Swap the onion

How well each one fits the dish's main ingredients (beef, butter, pepper, oyster):

  1. Potatofits about as well
  2. Onionthe original
  3. Capsicumfits about as well
  4. Tomatofits about as well

Fit is the average pairing score against beef, butter, pepper, oyster. 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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