The function of the speaker it to talk about the topic for which s/he was engaged, or to the common interest of the group. If you mean an electronic device, a speaker is to â¦ amplify sound. 2 people found this useful.
How long it takes to cook a leg of lamb depends on how you well you  like the meat cooked. If you like it rare, it takes about 15  minutes per pound, if you like it medium i â¦ t takes about 25 minutes  per pound, and 30 minutes for well done.
As always, there are many different recipes for cooking a leg of lamb. Elise cooks her leg of lamb with the bone in by starting at 425 degrees for 20 minutes then turns the oven down to 300Â°F and continues to roast the meat for about 10-12 minutes per pound for medium rare lamb.or beginner cooks, the smaller boneless roast is easier to carve. Besides, it just fit into my 15-inch long roasting pan, and my larger roasting pan is not as photogenic! The steps involved in making this boneless leg of lamb are: 1  Make a âspice-rubâ with garlic, thyme, rosemary, oregano and black pepper.