how long and what temp to cook pork tenderloin wrapped in bacon
1 Roast the pork loin in preheated oven for 15 minutes, then sprinkle with raisins. 2  Continue cooking until the internal temperature of the pork loin reaches 145 degrees F (63 degrees C), about 15 minutes more.3  Remove from the oven, and allow to rest for 5 minutes before removing toothpicks and slicing. Continue cooking until the internal temperature of the pork loin reaches 145 degrees F (63 degrees C), about 15 minutes more. 2  Remove from the oven, and allow to rest for 5 minutes before removing toothpicks and slicing.