Name: Hashed Beef or Mutton — Plain
Ingredients: bones of beef or mutton; water; onions; sweet herbs; butter; flour; pepper; shredded parsley

Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Hashed Beef or Mutton — Plain

Oven, in the book's wordsA slow oven

Ingredients

Directions

Break the bones into small pieces.
Stew the bones in a little water with onions and sweet herbs; strain the mixture.
In a frying pan, melt a lump of butter rolled in flour until browned.
Add the strained gravy and the seasoned meat to the fried butter.
Warm the mixture and serve immediately.

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.

Pepper + parsleytop 2% of all pairs

Smell alikestrong

Cooked together34,122 recipes

Shared aroma: 4'-methylacetophenone (bitter almond).
Beef + oniontop 7% of all pairs

Smell alikemoderate

Cooked together17,092 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Onion + parsleytop 9% of all pairs

Smell alikemoderate

Cooked together25,843 recipes

Shared aroma: 2,4-decadienal (seaweed).
Beef + peppertop 10% of all pairs

Smell alikemoderate

Cooked together18,971 recipes

Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Onion + peppertop 11% of all pairs

Smell alikemoderate

Cooked together68,474 recipes

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

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

Swap the onion

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

Carrotfits better
Shallotfits better
Chivefits better
Onionthe original

Fit is the average pairing score against beef, butter, flour, pepper, parsley. Candidates are from the same food group and used in at least 100 recipes.