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Slow Cooker Oxtails Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 3.9 from 2 reviews
  • Author: Lina
  • Prep Time: 15 minutes
  • Cook Time: 8 hours
  • Total Time: 8 hours 15 minutes
  • Yield: 8 servings
  • Category: Main Course
  • Method: Slow Cooking
  • Cuisine: American Southern

Description

A rich and hearty Slow Cooker Oxtail recipe that results in tender, flavorful meat perfect for a comforting meal. The oxtails are first browned to develop deep flavors, then slow-cooked with aromatic onions, tomato paste, herbs, and beef broth to create a luscious, savory dish.


Ingredients

Oxtail and Seasonings

  • 4 lbs oxtails
  • 2 tsp kosher salt
  • 1 tsp black pepper

Other Ingredients

  • 1 tbsp olive oil
  • 2 yellow onions, diced
  • 2 tbsp tomato paste
  • 2 cups beef broth
  • 2 bay leaves
  • 1 tsp dried oregano

Instructions

  1. Season Oxtails: Pat the oxtails dry, then season all sides evenly with kosher salt and black pepper.
  2. Brown Oxtails: Heat olive oil in a large skillet or heavy pot over medium-high heat. Add the seasoned oxtails and brown them on all sides for 8 to 12 minutes to develop a deep, rich flavor. Once browned, transfer them to the slow cooker.
  3. Sauté Onions: In the same skillet, add the diced yellow onions and cook over medium heat until softened and golden brown, about 5 to 7 minutes. This process builds flavor by caramelizing the onions.
  4. Add Onions to Slow Cooker: Transfer the sautéed onions atop the browned oxtails in the slow cooker, layering the flavors.
  5. Add Remaining Ingredients: Stir in tomato paste, beef broth, bay leaves, and dried oregano. These aromatics and liquids will infuse the meat with a robust taste as it slow cooks.
  6. Cook in Slow Cooker: Cover and cook on low heat for 8 hours or until the oxtails are tender and falling off the bone. This long, gentle cooking breaks down connective tissue for a melt-in-your-mouth texture.

Notes

  • For enhanced flavor, you can deglaze the skillet with a splash of red wine or beef broth after browning the oxtails and add it to the slow cooker.
  • Serve with creamy mashed potatoes or buttered noodles to soak up the rich sauce.
  • Leftovers keep well in the refrigerator for up to 3 days and can be reheated gently on the stovetop.
  • Oxtails are naturally high in collagen, making this dish especially sticky and flavorful when slow-cooked.