Instructions

1. Pre-heat oven to 425 degrees
2. Combine 3 T of balsamic vinegar, 3 T stone ground mustard and salt and pepper to create marinade. Marinate tenderloin for at least 1 hour.
3. Heat olive oil in skillet and brown tenderloin on all sides.
4. Place tenderloin in baking dish and cook at for 425 for 35-45 minutes for well done
5. While tenderloin is cooking, heat remaining balsamic vinegar in sauce pan on medium heat for balsamic reduction.
6. Remove tenderloin when desired temperature is reached and allow to rest for 5-10 minutes.
7. Slice tenderloin and drizzle with balsamic reduction.