1. Cut 2cm-deep slits along top of roast. Rub
with combined cumin, garlic, rind and pistachios. Place in a lightly oiled roasting pan.
2. Cook in a moderate oven (180C) for 45 to 50 minutes, or until cooked. Remove. Cover to keep warm. Stand for 10 minutes.
3.Prepare couscous according to packet directions. Stir through juice, coriander and tomatoes.
4. Serve lamb cut into slices with couscous.