A warm and mellow spice rub gives this super-simple Moroccan roast lamb its flavour ... Preheat the oven to 180C/160C Fan/Gas 4. Place the lamb shoulder skin-side up in a large roasting tin.

Place the lamb in a tagine or large serving dish and sprinkle over the chopped herbs. Serve. Argan oil is a Moroccan oil from the argan tree. You should be able to find it in specialist food shops.