Why it works: Parsnip and carrot match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 1,097 recipes. Both carry 2-isobutyl-3-methoxypyrazine, which smells green bell pepper, earthy. The science ↓
Common Broth, or Stock
Ingredients
Directions
Prepare
Cut the beef and shin into pieces.
Combine with water in a large pot.
Cook
Bring to a boil and skim off the fat.
Reduce heat and simmer gently for 8 hours.
Strain through a sieve and let cool in flat dishes.
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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Parsnip + carrottop 1% of all pairsSmell alikestrongCooked together1,097 recipes
Shared aroma: 2-isobutyl-3-methoxypyrazine (green bell pepper, earthy).
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Celery + carrottop 1% of all pairsSmell alikestrongCooked together10,173 recipes
Shared aroma: myristicin (spice, warm).
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Parsnip + celerytop 3% of all pairsSmell alikestrongCooked together561 recipes
Shared aroma: myristicin (spice, warm).
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Onion + carrottop 6% of all pairsSmell alikemoderateCooked together21,601 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beef + oniontop 7% of all pairsSmell alikemoderateCooked together17,092 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
What each ingredient does
- Gravy beef
- Provides the main flavour and gelatin-rich collagen that gives the broth body.
- Shin or leg of beef
- Adds bone-rich collagen and depth of flavour during the long simmer.
- Water
- Acts as the cooking liquid that slowly extracts flavour and collagen from the meat.
The step that matters
Skimming the fat after the boil. Fat and foam that rise early can make the broth greasy and cloudy. Skimming them before the long simmer keeps the broth clearer and cleaner tasting.
Swap the onion
The recipe marks onion as optional. How well each one fits the dish's main ingredients (beef, parsnip, celery, carrot):
- Turnipfits better
- Leekfits better
- Beetrootfits better
- Onionthe original
Fit is the average pairing score against beef, parsnip, celery, carrot. 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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