Rub lamb all over with olive oil and season with salt and pepper.

Place lamb on rack in roasting pan.

Set oven to broil and place lamb on rack in roasting pan in and broil first side five minutes then turn and brown other side for five minutes.

Take pan out of oven and set oven to 375 to preheat.

While oven preheating coat lightly entire lamb on all sides with rosemary and garlic.

Lightly tent lamb on pan with foil and place in oven.

Cook approximately two hours. Remove from oven. Remove foil and using instant read thermometer check if at 130 degrees for medium rare.

If at 130 let it rest it’s done. If not put in oven uncovered and check every ten minutes to see if temp at 130.

When done let rest 15 minutes then slice and serve immediately.