Combine all ingredients except oil in a zipper seal plastic bag. Place in refrigerator and allow to marinate 30 minutes to 2 hours.
Preheat oven to 425 degrees.
Add 1 teaspoon olive oil to oven proof skillet and heat over medium.
Remove tenderloin from plastic bag and discard marinade. Salt and pepper tenderloin as desired. Sear tenderloin in skillet until all sides are browned.
Place skillet in oven and cook tenderloin until done- approx 20-30 minutes.