Combine all ingredients for the herb crust and set aside.
Stud the roast with pieces of garlic cloves. Insert approx 1 inch into the meat. (see video for instructions, link in notes below).
Place loose herbs and garlic cloves at bottom of baking dish; drizzle with olive oil.
Cover roast with herb crusting - top and sides.
Insert meat thermometer in center of roast. If using bone-in roast, be sure thermometer does not touch bone.
Bake at 325 - 350 degrees on lower oven rack until desired internal temperature is achieved. See table below.
Remove roast from oven when thermometer reads 10 degrees BELOW your desired internal temperature.
Allow roast to stand for approx 15 - 20 minutes. Roast will continue cooking and temperature will rise, approx 10 degrees.