In a small bowl, combine the honey, mustard, rosemary, ground black pepper, lemon zest and garlic. Mix well and apply to the lamb. Cover and marinate in the fridge overnight.
Preheat the oven to 230 C / Gas mark 8.
Place lamb on a rack in a roasting tin and sprinkle with salt to taste.
Bake in the preheated oven for 20 minutes, then reduce heat to 200 C / Gas mark 6 and roast for 55 to 60 more minutes for medium rare. The internal temperature should be at least 63 degrees C. Let the roast rest for about 10 minutes before carving.
How to roast lamb
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did not have time to marinate so: pre heated honey, tomato puree, lemon zest, rosemary, cracked black pepper into frying pan, sealed and browned the lamb in that pan before salting and placing into oven. - 28 Oct 2008