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 ↓
Roast Beef Steak
Ingredients
Directions
Smoothly cut the beef slice and flatten it on a table.
Sprinkle the inside with coarse sea salt and cayenne or black pepper.
Prepare the forcemeat, adding minced onion or shallot and spices to taste.
Place the forcemeat on one end of the steak and roll it up tightly.
Skewer and bind the meat to secure the forcemeat inside.
Cover the meat with buttered paper and roast for 1.5 hours or longer, depending on size.
Twenty minutes before serving, remove the paper and dust the meat with flour.
Baste the meat with butter throughout the roasting process.
Serve with brown gravy poured over the beef.
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.
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Beef + oniontop 7% of all pairsSmell alikemoderateCooked together17,092 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beef + peppertop 10% of all pairsSmell alikemoderateCooked together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Onion + buttertop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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
Swap the onion
The recipe marks onion as optional. How well each one fits the dish's main ingredients (beef, pepper, butter, flour):
- Potatofits about as well
- Chivefits about as well
- Leekfits about as well
- Onionthe original
Fit is the average pairing score against beef, pepper, butter, flour. Candidates are from the same food group and used in at least 100 recipes.
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