Pork Tenderloin with Gravy Recipe

In a small bowl, combine first 5 ingredients until blended. In a large skillet, brown pork in oil on all sides. Stir in gravy mixture, mushrooms, and onion. Bring to boil. Reduce heat; cover and simmer for 10-15 minutes or until meat juices run clear and vegetables are tender. Serve over rice or garlic mashed potatoes.