Beef Tenderloin Roast With Mushroom Sauce Recipe

Directions:

1. Preheat oven to 450 Degrees F.
2. Pat the meat dry and place it on a rack in a baking pan.
3. Roast for 35 minutes or until the meat registers 125 degrees F. to 130 degrees F. on an instant read thermometer.
4. Cook longer if less rare meat is desired.
5. Saute the onion in butter in a small skillet.
6. Add the mushrooms and cook 5 minutes or until browned.
7. Stir in the flour.
8. Add the remaining ingredients; mix well.
9. Cook over medium heat, stirring until thickened.
10. Serve the sauce with the beef.