World · Keto

Keto Lamb Shoulder Roast with Rosemary Cauli Mash

Slow-roasted lamb shoulder rubbed with garlic, rosemary, and lemon — falls apart with a fork after three hours in the oven. Served over a creamy rosemary cauliflower mash. A weekend roast that scales to feed four.

Halal-friendly Gluten-free Medium
Prep
15 min
Cook
180 min
Total
195 min
Serves
4
Keto Lamb Shoulder Roast with Rosemary Cauli Mash
5g Net carbs
42g Protein
46g Fat
620 Calories

Per serving

Ingredients

  • 1.2kg (2.6 lb) Boneless lamb shoulder
  • 2 tbsp Olive oil
  • 6 Garlic cloves, smashed
  • 4 Fresh rosemary sprigs
  • 1 lemon Lemon zest
  • 2 tsp Fine sea salt
  • 1 tsp Black pepper
  • 1/2 cup (120ml) Low-sodium chicken stock
  • 600g (about 1 large head) Cauliflower, cut into florets
  • 3 tbsp (40g) Unsalted butter
  • 60ml (1/4 cup) Heavy cream
  • 1 tsp Fresh rosemary, finely chopped (for the mash)

Method

  1. Preheat the oven to 325°F (160°C).
  2. Pat the lamb dry and score the fat in a cross-hatch pattern. Rub all over with olive oil, salt, and pepper.
  3. Place the lamb in a roasting dish. Scatter garlic, rosemary sprigs, and lemon zest on top. Pour chicken stock into the bottom of the dish.
  4. Cover tightly with foil and roast 2.5 hours, basting once at the halfway mark.
  5. Uncover and roast another 30 minutes, until the top is deeply browned and the meat shreds easily with a fork.
  6. While the lamb rests, steam the cauliflower 8-10 minutes until very soft. Drain well.
  7. Blend the cauliflower with butter, heavy cream, chopped rosemary, salt, and pepper until smooth and creamy.
  8. Rest the lamb 10 minutes, then slice or pull apart. Plate over the rosemary cauli mash; spoon pan juices over the top.

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