Roast Saddle of Lamb with Southern Herb Sauce

A saddle of English or Welsh lamb for a large dinner party is so easy to do and yet always impressive and very delicious. My husband maintains that the French way of carving it in long thin strips down the length of the joint instead of across is much the best. A saddle can feed up to about 12 people but I usually do one for 8 or 10 and we have scraps of meat left over for the children next day. This is a way of roasting and flavouring a saddle which is meant to bring to you the smell and f