Why it works: Carrot and turnip match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 8,002 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Another Ox-tail Soup
Ingredients
Directions
Make the broth
Place the ox tails in a large pot with water, cloves, salt, and pepper.
Boil for 3 hours.
Strain the soup into an earthen pot.
Let it cool overnight.
Remove the fat from the surface.
Brown the vegetables and meat
Chop the onions.
Fry them in butter until golden brown.
Cut the ox tails into pieces.
Add them to the onions and fry until browned.
Finish the soup
Chop the carrots and turnips.
Add them to the soup along with the onion and ox-tail mixture.
Simmer for 2 hours.
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.
-
Carrot + turniptop 1% of all pairsSmell alikestrongCooked together8,002 recipes
Shared aroma: coumarin (sweet, hay).
-
Clove + peppertop 5% of all pairsSmell alikestrongCooked together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
-
Clove + carrottop 5% of all pairsSmell alikestrongCooked together5,873 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
-
Onion + turniptop 5% of all pairsSmell alikestrongCooked together7,585 recipes
Shared aroma: coumarin (sweet, hay).
-
Pepper + carrottop 6% of all pairsSmell alikestrongCooked together14,555 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
- Ox-tails
- Release gelatin and meaty flavour into the broth as they cook slowly.
- Onions
- Caramelise when fried in butter, adding sweetness and depth to the soup.
- Carrots
- Add natural sweetness and body as they soften during simmering.
- Turnips
- Add mild sweetness and earthy flavour, softening during the final simmer.
- Butter
- Fat for frying onions and meat, adding browning and rich flavour.
The step that matters
Remove the fat from the surface. After cooling overnight, fat solidifies on top of the broth. Removing it keeps the soup clean-tasting and prevents it from becoming greasy during the final simmer.
Swap the onion
How well each one fits the dish's main ingredients (clove, pepper, butter, carrot, turnip):
- Parsnipfits better
- Leekfits better
- Shallotfits better
- Onionthe original
Fit is the average pairing score against clove, pepper, butter, carrot, turnip. 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.
More ox tail soup recipes
You might also like
The free Flavor Lab newsletter: one surprising pairing a week and the molecular reason it works, in 60 seconds. No spam, unsubscribe anytime.
Prefer an account? Create a free account to save pairings and unlock the full chemistry.
Carrot Soup134 recipes
Turnip Soup43 recipes
Tomato Soup526 recipes
Brown Bread461 recipes