Why it works: Turnip and capers match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 145 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Ox-tails
Ingredients
Directions
Brown the oxtails
Brown the oxtail pieces with butter and a large onion in a stewpan over medium heat.
Peel the button onions.
Boil the button onions in 3 pints of water for 15-20 minutes.
Set the boiled button onions aside.
Pour the boiling water from the button onions over the oxtails, adding enough boiling water to cover them.
Add the carrots and cook for 20 minutes.
Add the turnips and continue cooking until the stew is tender.
Pass the gravy through a sieve, skim off the fat, and keep the meat and vegetables warm.
Make the gravy
In a separate pan, melt 1 ounce of butter.
Stir in enough flour to thicken.
Gradually add the gravy to the butter mixture, stirring until it boils.
Strain the gravy into a stewpan and let it simmer gently.
Serve
Arrange the oxtails around a serving dish.
Place the vegetables in the center.
Pour the gravy over the oxtails and vegetables.
Warm the button onions in boiling water.
Place the warmed button onions around the dish just before serving.
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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Turnip + caperstop 1% of all pairsSmell alikestrongCooked together145 recipes
Shared aroma: coumarin (sweet, hay).
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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).
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Carrot + peppertop 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).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Oxtails
- Slow cooking in liquid breaks down connective tissue, making the meat tender and rich.
- Flour
- Starch thickens the gravy as it heats, giving it body.
- Butter
- Adds richness and flavor when browning the meat and thickening the gravy.
- Carrots
- Contribute sweetness and color to the stew.
- Turnips
- Add mild sweetness and a soft texture after long cooking.
The step that matters
Simmer the gravy gently after thickening. Once flour is stirred into butter and liquid is added, boiling too hard or too long can break the sauce and leave a floury or uneven texture. Gentle simmering lets the starch swell smoothly and the gravy thicken evenly.
Swap the capers
The recipe marks capers as optional. How well each one fits the dish's main ingredients (butter, onion, carrot, turnip, flour, pepper):
- Parsleyfits better
- Thymefits about as well
- Celeryfits about as well
- Capersthe original
Fit is the average pairing score against butter, onion, carrot, turnip, flour, pepper. 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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