Preheat oven to 450 degrees (F) and, using a paring knife, pierce the pork loin 8-10 times so the garlic herb mixture can soak into the meat.
In a small bowl combine olive oil, garlic, dried herbs, salt & pepper then slather all over the pork loin.
Roast the pork for 20 minutes on a baking sheet, baste with drippings, then lower the heat to 325 and continue to cook for 10-15 minutes or until a meat thermometer reads 145 degrees (F).
Remove pork loin from oven and allow to rest for 10 minutes before slicing.