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Slow Cooker Roast Lamb Leg with Gravy Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4 from 38 reviews
  • Author: Angela
  • Prep Time: 5 minutes
  • Cook Time: 10 hours
  • Total Time: 10 hours 5 minutes
  • Yield: 5 servings
  • Category: Main Dish
  • Method: Slow Cooking
  • Cuisine: British

Description

This Slow Cooker Roast Lamb Leg with Gravy is a tender, flavorful dish perfect for a comforting meal. The lamb is seasoned with garlic, thyme or rosemary, and slowly cooked in a rich beef stock until melt-in-your-mouth tender. Finished in the oven to develop a golden crust, it’s served with a luscious homemade gravy made from the braising liquid.


Ingredients

Scale

For the Lamb:

  • 2.0 kg / 4 lb lamb leg, bone in
  • 1 tsp salt
  • Black pepper, to taste
  • 2 large garlic cloves, minced
  • 1 1/2 tsp dried thyme OR rosemary (or 2.5 tsp finely chopped fresh)
  • 1 tbsp olive oil
  • 2 cups / 500 ml beef stock or chicken stock
  • 1 sprig rosemary (optional)

For the Gravy:

  • 50 g / 3 tbsp butter
  • 3 tbsp / 40 g all-purpose flour
  • 2 cups / 500 ml braising liquid from slow cooker, strained
  • Salt and pepper, to taste


Instructions

  1. Season the Lamb: Place the lamb leg in the slow cooker or on a work surface. Sprinkle evenly with salt, pepper, thyme or rosemary, and minced garlic. Drizzle the olive oil over the meat, then rub the seasoning into both sides to coat thoroughly.
  2. Add Stock and Rosemary: Pour the beef stock into the slow cooker and add the sprig of rosemary if using. This will infuse the lamb with additional flavor as it cooks.
  3. Slow Cook: Cover and cook on the low setting in the slow cooker for 10 hours until the lamb is tender but still holds its shape. Alternatively, pressure cook on high for 1 hour and 40 minutes if time is limited.
  4. Remove and Prepare to Roast: Once the lamb is tender enough to pull apart with tongs but still intact, carefully remove it from the slow cooker and transfer it to a roasting tray.
  5. Roast to Brown: Lightly drizzle the lamb with oil and roast in a preheated oven at 200°C (390°F) for 20 minutes or until the surface is nicely browned. After roasting, remove from the oven and let rest for 10 minutes before serving.
  6. Make the Gravy: In a saucepan, melt the butter over medium heat. Whisk in the flour to create a roux and cook for 2-3 minutes until golden and bubbling. Gradually whisk in the strained braising liquid from the slow cooker, bringing it to a simmer. Cook until thickened, then season with salt and pepper to taste. Serve the gravy alongside the lamb.

Notes

  • Using bone-in lamb adds extra flavor and helps keep the meat moist during slow cooking.
  • Fresh herbs can be substituted for dried by using about 1.5 times the amount of dried herbs.
  • Straining the braising liquid is important to remove any solids, providing a smooth gravy.
  • The final roasting step is essential to develop a flavorful crust on the lamb.
  • This dish pairs well with roasted vegetables or creamy mashed potatoes.