Pan Roasted Pork Tenderloin

1 T canola oil
1 lb pork tenderloin
5/8 tsp  ground pepper
1/2 tsp salt
1/2 c unsalted chicken stock
1/2 tsp corn starch
1/2 tsp cider vinegar

Preheat oven to 425
Heat  a large skillet to medium  heat and add oil in the pan.  Swirl to coat.  Sprinkle pork with pepper and salt.  Add pork to the pan and cook for 4 minutes.  Turn and cook one more minute.  Cover the pan and bake at 425 for 5 minutes.  Uncover nd bake for another five minutes.  Let the pork stand for 10 minutes and then cut.

Return the pork to the pan and add in stock, cornstarch, and vindegar to the pan.  Bring to a boil and cook for 2 minutes or until the sauce is thickened.  Serve!