Place the pan in the. Roast in oven 45-50 minutes OR until pork reaches internal temp of 145F when tested in the thickest center portion.
Add 1 tablespoon of the oil to a large ovenproof skillet over medium-high.
Pork tenderloin in oven with potatoes. Actual cook time will vary according to oven variations. Broil on top rack of oven 5 minutes to brown. Push sweet potatoes and onions to one side of pan.
Place the potatoes and asparagus on either side of the pork and spread the remaining glaze mixture on them. Sprinkle pork with 34 teaspoon each of the salt and pepper. Roast 25 minutes or until pork is desired doneness and sweet potatoes are tender.
Arrange around meat in pan. Roast 35 to 40 minutes or until meat thermometer registers 155F and juices run clear stirring potatoes after 20 minutes. Rub pork tenderloin with reserved seasoning mixture.
Cook until well browned about 8 minutes flipping once halfway through cook time. Toss potatoes with remaining seasoning mixture. Place pork tenderloin on other side.
Place in large roasting pan. Preheat oven to 400F. Place potatocarrot mixture evenly around the pork tenderloins ensuring that all marinade is evenly dispersed.
Add pork to skillet. Sprinkle all with a light coating of ground pepper and salt.