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Warmed-over Beef

A beef dish simmered in butter, flour, stock, Worcestershire sauce, and ketchup, served with toast or small potatoes.

From an old cookbook · modernised transcription
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Why it works: Sauce and ketchup match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,099 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Warmed-over Beef

Ingredients

Directions

Make the sauce

  1. Melt the butter in a pan and add the flour, stirring until browned.

  2. Gradually add the stock or gravy, Worcestershire sauce, and ketchup.

Finish and serve

  1. Season with salt and pepper, then add the sliced beef.

  2. Simmer for 15 minutes.

  3. Serve on a hot platter, garnished with toast or small potatoes.

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. Sauce + ketchuptop 1% of all pairs
    Smell alikestrong
    Cooked together1,099 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  2. Beef + potatotop 8% of all pairs
    Smell alikemoderate
    Cooked together2,052 recipes

    Shared aroma: sotolon (curry, maple).

  3. Pepper + potatotop 9% of all pairs
    Smell alikemoderate
    Cooked together8,305 recipes

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

  4. Pepper + beeftop 10% of all pairs
    Smell alikemoderate
    Cooked together18,971 recipes

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

  5. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Beef
Provides the main protein, which is gently reheated in the sauce rather than cooked from raw.
Flour
Thickens the sauce and, when browned, adds a deeper, nuttier flavour.
Butter
Carries the flour's browning and adds richness to the sauce.
Stock or gravy
Forms the liquid base of the sauce and supplies most of its savoury flavour.
Ketchup
Adds sweetness and acidity that balance the savoury sauce.

The step that matters

Browning the flour. Flour cooked in butter until browned develops nutty, roasted flavour through the Maillard reaction. Stopping too early leaves a raw, pasty taste, while burning gives bitterness.

Swap the potato

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

  1. Capsicumfits better
  2. Shallotfits better
  3. Horseradishfits better
  4. Potatothe original

Fit is the average pairing score against butter, flour, sauce, ketchup, pepper, beef. 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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