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 ↓
Stewed Ox-tail and Kidneys
Ingredients
Directions
Prepare
Wash the ox-tail and cut it into joints.
Skin and halve the kidneys, removing the center fat.
Mix flour, salt, and pepper, then dip the joints and kidneys in the mixture.
Brown and stew
Brown the joints and kidneys in the dripping along with a large onion.
Pour away the fat from the pot, then return the meat and onion to the pot.
Add 2 cups of hot water and stew gently for about 2 hours until the joints are almost tender.
Add the diced carrot and turnip, and stew for another hour.
Finish and serve
Remove the joints and kidneys from the pot.
Strain the gravy and thicken it with flour and seasoning if necessary.
Pour the gravy over the meat and serve hot.
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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Carrot + turniptop 1% of all pairsSmell alikestrongCooked together8,002 recipes
Shared aroma: coumarin (sweet, hay).
-
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).
-
Onion + carrottop 6% of all pairsSmell alikemoderateCooked together21,601 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Flour + turniptop 7% of all pairsSmell alikestrongCooked together2,874 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Ox-tail
- Provides the main meat, whose connective tissue breaks down into rich body during slow stewing.
- Sheep's kidneys
- Adds a rich, strongly flavoured meat that deepens the gravy during long gentle cooking.
- Flour
- Dusts the meat for browning and later thickens the strained gravy.
- Dripping
- Fat used to brown the meat, building colour and savoury flavour on the surface.
- Onion
- Browns with the meat and adds sweetness and aroma to the gravy.
The step that matters
Stew gently for the full time. Ox-tail is tough connective tissue that needs long, low, gentle simmering to turn gelatinous and tender. Boiling hard toughens the meat and makes the gravy cloudy.
Swap the onion
How well each one fits the dish's main ingredients (flour, pepper, carrot, turnip):
- Parsnipfits better
- Leekfits better
- Beetrootfits better
- Onionthe original
Fit is the average pairing score against flour, pepper, 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.
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