Sirloin â less tender but more flavorful and is further divided into top and bottom sirloin (the bottom sirloin is less tender) Tenderloin â which is the most tender and contains the filet mignon, tournedos, tenderloin steak, chateaubriand, and roasts for beef Wellington.
1 Place pork loin into oven, turning and basting with pan liquids. 2  Cook until the pork is no longer pink in the center, about 1 hour. 3  An instant-read thermometer inserted into the center should read 145 degrees F (63 degrees C).4  Remove roast to a platter. Rub the meat with the remaining garlic mixture and olive oil. 2  Place pork loin into oven, turning and basting with pan liquids. 3  Cook until the pork is no longer pink in the center, about 1 hour. 4  An instant-read thermometer inserted into the center should read 145 degrees F (63 degrees C).
Preheat the oven to 400 degrees F. Season the pork with the salt and pepper. Heat the olive oil in an ovenproof skillet over high heat and sear the pork on all sides. Place the skillet into the oven and roast the pork for 8 to 10 minutes. Let the meat rest for 5 minutes before cutting.