Lamb Steaks with Rosemary Sweet Potatoes
- Heat oven to 428 F.
- Heat half the oil in a roasting tray, then brown the steaks on both sides and set aside.
- Toss the potato, onion, remaining oil and half the rosemary into the roasting tray, then lay the steaks on top.
- Brush the steaks with the mustard, scatter with remaining rosemary and roast everything for 20 mins until the potatoes are softened and the lamb cooked.