Braised Oxtail with Horseradish Mash
Why this recipe works
- Deep savoury base: Browning the oxtail and cooking down the vegetables, tomato paste and wine builds a rich foundation before the long braise.
- Rich but balanced: The gelatinous oxtail and glossy gravy feel generous, while horseradish in the mash adds sharpness to cut through the richness.
- Improves with resting: Chilling the oxtail in its liquor lets the flavours settle and makes it easier to remove excess fat before reheating.
Get the most out of this recipe
Timing notes
- Plan for slow cooking: Most of the time is hands-off, but the oxtail needs a long, gentle braise to become properly tender.
- Even better the next day: The braise can be cooked ahead, chilled in its sauce, then reheated gently before reducing the gravy.
Texture tips
- Cook until nearly falling from the bone: Oxtail should feel very soft before serving; if it still resists, return it to the oven and continue braising gently.
- Steam-dry the potatoes: Returning drained potatoes to low heat briefly removes excess moisture, helping the mash turn smooth rather than watery.
Ingredient swaps
- Alcohol-free braise: Use extra beef stock instead of red wine, then reduce the gravy a little longer at the end to concentrate the flavour.
- Softer mash heat: Dijon mustard can replace horseradish for a gentler, tangy finish.
Common mistakes
- Do not rush the braise: Keep the liquid at a gentle simmer rather than a hard boil; steady low heat helps the meat become tender without drying out.
- Reduce the gravy after braising: The cooking liquor needs a final simmer after the oxtail is removed so it becomes glossy and spoonable.
Equipment you'll need
Ingredients
Braised oxtail and gravy
Horseradish mash
Instructions
- Heat the oven to 160°C (320°F). Pat the oxtail dry, then season all over with the fine sea salt and black pepper.
- Heat the olive oil in a dutch oven over medium-high heat. Brown the oxtail in batches until deeply coloured all over, then transfer to a plate.
- Lower the heat to medium and add the onion, carrots and celery to the pot. Cook for 8 to 10 minutes until softened and lightly golden, scraping up the browned bits.
- Stir in the garlic and tomato paste and cook for 1 minute until fragrant. Pour in the red wine and simmer for 5 to 7 minutes to reduce slightly.
- Return the oxtail to the pot and add the beef stock, thyme and bay leaves. Bring to a gentle simmer, cover, then transfer to the oven and braise for 2 hours 30 minutes, turning the oxtail once halfway, until the meat is very tender and nearly falling off the bone.
- Meanwhile, peel the potatoes and cut into even chunks. Put them in a large pot, cover with cold water, add a pinch of fine sea salt, then bring to the boil and simmer for 15 to 20 minutes until tender.
- Drain the potatoes well and return to the pot over low heat for 1 minute to steam-dry. Mash until smooth, then beat in the unsalted butter and double cream; stir in the horseradish and season to taste with a little more fine sea salt and black pepper.
- Lift the oxtail out of the braising liquid and keep warm. Skim off excess fat, then simmer the cooking liquor for 10 to 15 minutes until glossy and lightly thickened; discard the thyme sprigs and bay leaves.
- Serve the oxtail with the horseradish mash and spoon over the reduced gravy. If needed, loosen the gravy with a splash of beef stock to reach your preferred consistency.
Recipe notes
Tips
- For the best flavour, brown the oxtail properly: you want a deep mahogany colour, not just a light sear.
- If the gravy tastes a little sharp after reducing, whisk in a small knob of unsalted butter off the heat to round it out.
- This dish improves overnight; chill the oxtail in its liquor, then reheat gently and reduce the gravy just before serving.
Substitutions
- Replace double cream with whole milk for a lighter mash, adding it gradually until the texture is creamy.
- Replace red wine with beef stock for an alcohol-free braise; reduce the stock a little longer at the end to concentrate the flavour.
- Replace horseradish with dijon mustard for a gentler heat in the mash.
Storage
- Refrigerate up to 3 days
- Cool the oxtail and gravy quickly, then refrigerate in a sealed container. Reheat gently in a saucepan until piping hot; add a splash of beef stock if the gravy has thickened. Freeze the oxtail with gravy for up to 3 months; the mash is best made fresh, but can be frozen and reheated with extra double cream stirred through.
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Recipe overview
- Servings: 4 servings
- Total time: 3h 30min (40min active)
- Difficulty: Medium
- Cuisine: British
-
Allergens:
Milk
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