how to cook a pork tenderloin roast
Roast the tenderloin at 450 F for 10 to 15 minutes to aid browning, then reduce the oven to 325 F. Roast the tenderloin until an instant-read thermometer inserted into the thickest part shows an internal temperature of 140 F. Remove the tenderloin from your oven and cover it loosely with aluminum foil.oast the tenderloin at 450 F for 10 to 15 minutes to aid browning, then reduce the oven to 325 F. Roast the tenderloin until an instant-read thermometer inserted into the thickest part shows an internal temperature of 140 F. Remove the tenderloin from your oven and cover it loosely with aluminum foil.