Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
To Hash Beef
Ingredients
Directions
Prepare the base
In a saucepan, boil chopped onion or shallot with a little water, pepper, and salt until soft.
Make the hash
Add gravy from the meat and minced meat; do not let it boil.
Mix in vinegar before serving.
Serve
Prepare a small hot dish with slices of bread and pour the minced meat over it.
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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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pepper + walnuttop 13% of all pairsSmell alikemoderateCooked together3,039 recipes
Shared aroma: 2-nonenal (fatty, green).
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Meat + walnuttop 13% of all pairsSmell alikemoderateCooked together1,035 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Onion + vinegartop 14% of all pairsSmell alikemoderateCooked together18,226 recipes
Shared aroma: acetic acid (sour, vinegar).
-
Pepper + vinegartop 14% of all pairsSmell alikemoderateCooked together27,814 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Onion or shallot
- Softened by boiling, it adds savoury sweetness and aroma to the hash.
- Minced meat
- Forms the main body of the hash, giving it substance and savoury flavour.
- Gravy from cooked meat
- Adds moisture and meaty flavour so the hash does not dry out.
- Vinegar
- Adds a sharp acidic note that brightens the rich meat and gravy.
- Sippets of bread
- Soaks up the meat juices and gives the dish a soft base to rest on.
The step that matters
Keep the minced meat from boiling. Boiling toughens the meat proteins and makes them dry and grainy, so the mixture should be heated gently once the gravy is added.
Swap the walnut
The recipe marks walnut as optional. How well each one fits the dish's main ingredients (onion, pepper, meat, vinegar, bread):
- Sesamefits better
- Beansfits better
- Peanutfits about as well
- Walnutthe original
Fit is the average pairing score against onion, pepper, meat, vinegar, bread. 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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