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Cold Roast Beef and Onions

A plate of cold roast beef slices topped with fried onions and a gravy made from flour and beef stock.

From an old cookbook · modernised transcription
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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 ↓

Cold Roast Beef and Onions

Ingredients

Directions

Prepare

  1. Heat the slices of cold roast beef on a grill until thoroughly heated, browning slightly on each side.

  2. Place the heated beef slices around a serving dish.

  3. Put the fried onions in the center of the dish.

Make the gravy and serve

  1. Make a gravy by mixing flour with beef stock in the frying pan, then pour it over the beef and onions.

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. Onion + flourtop 17% of all pairs
    Smell alikemoderate
    Cooked together32,460 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Beef + flourtop 25% of all pairs
    Smell alikelow
    Cooked together10,677 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Beef and flour barely smell alike, yet cooks put them together in 10,677 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

Flour
Thickens the stock into a gravy as it heats, giving body to the sauce.
Beef stock
Forms the liquid base of the gravy and adds savoury beef flavour.
Fried onions
Add sweetness and savoury depth from their browned surface.

Swap the onion

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

  1. Chivefits better
  2. Arrowrootfits better
  3. Shallotfits better
  4. Onionthe original

Fit is the average pairing score against beef, flour. 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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