A recipe I found on Taste.com.au for ZWT Australia region. Here is what is stated about the recipe: This lamb leg is guaranteed to please even the toughest barbecue critic. Served with jacket potatoes and green olive mayonnaise, it's a real winner. This is about a 3 lb leg of lamb and the recipe states to serve with jacket potatoes and a green olive mayonnaise which is included. Note: Start this recipe at least 3 hours in advance (preparation and cooking times given do not include marinating time).