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Beef Collops, with Onions

Thinly sliced beef collops cooked with onions in butter, seasoned with pepper, served hot with oyster pickle or walnut ketchup.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

Beef Collops, with Onions

Ingredients

Directions

  1. Heat some butter in a frying pan.

  2. Dust the collops with pepper and add them to the pan with the onions.

  3. Brown the collops and onions, then cover the pan tightly and simmer until done, about 10 minutes.

  4. Serve hot with oyster pickle or walnut ketchup added to the gravy.

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

Collops
Thin beef slices that cook quickly and provide the main protein of the dish.
Onions
Soften and sweeten as they cook, and brown slightly, adding flavour to the gravy.
Butter
Fat for frying that browns the beef and onions and carries flavour.

The step that matters

Brown the collops and onions before covering. Browning builds flavour through the Maillard reaction. Covering the pan too early would steam the meat grey instead of browning it.

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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