Slow-cooker oxtail is a deeply satisfying, richly flavored dish loaded with vegetables and slow-braised until the meat becomes tender and falls off the bone. This recipe has been a family favorite for years — hearty enough for a special occasion but simple to prepare, since the slow cooker does most of the work.

I don’t make this often because it’s a rich, red-meat dish, but whenever we want comfort food or a memorable meal for a celebration, this slow-cooker oxtail is my go-to. The combination of carrots and potatoes keeps the dish balanced and familiar, and the long, gentle cooking builds a deep, glossy sauce that is perfect over rice or mashed potatoes.

I first learned to cook oxtail from family recipes passed down in a magazine compilation. Over the years I tried variations, but this version — saucy, slightly sweet, and perfectly seasoned — remains the best. It’s ideal for a slow-cooker because the low, even heat breaks down connective tissue and releases rich marrow into the sauce.

More slow-cooker recipes you might like

• Red Wine Lamb Shanks (Slow-Cooker)
• Best Slow-Cooker Pot Roast
• Beef Carbonnade
• Split Pea and Ground Beef Soup
• Slow-Cooker Beef Ravioli

Oxtail Slow-Cooker

Ingredients

• 2 large onions, cut into rings
• 1 tablespoon vegetable oil, for frying
• ½ cup flour, seasoned with salt and pepper
• 1.8 kilogram oxtail, cut into 5 cm (2″) pieces (about 4 pounds)
• 2 cups boiling water (approximately)
• ⅓ cup white vinegar
• ⅓ cup brown sugar
• 6 carrots, peeled and cut into rings
• 450 grams baby potatoes, peeled or unpeeled (about 1 pound)
• ½ packet oxtail soup powder (or beef soup powder if oxtail is unavailable)

Instructions

1. Sauté the onion rings in a little vegetable oil until they are soft and lightly browned. Remove them from the pan and set aside.
2. Roll each oxtail piece in the seasoned flour. Fry the pieces in batches, browning all sides lightly. This step builds flavor but you don’t need to cook them through.
3. Place the browned oxtail pieces and the sautéed onions into the slow cooker. Pour in enough boiling water to just cover the meat, then add the white vinegar and brown sugar. Cover and cook on HIGH for 4 hours.
4. After the initial cooking period, add the carrots and baby potatoes. Return the lid and continue cooking on HIGH for another 2 to 3 hours, or until the vegetables and meat are very tender.
5. To thicken the sauce, stir in about half a packet of oxtail or beef soup powder and check the consistency after 5 minutes. Add more if needed and cook an additional 5–10 minutes until the sauce has thickened to your liking.

Nutrition (per serving)

This slow-cooker oxtail delivers a rich, comforting meal with minimal active time in the kitchen. The slow braise creates a deeply flavored sauce and meltingly tender meat — perfect for family dinners or a special Sunday meal.