Insert an oven-going thermometer into the center of the tenderloin. Roast in the preheated oven, uncovered, until desired doneness, according to the timings below. Transfer meat to a cutting board and cover with foil. read more
Pour in veal stock, cream, 1/2 cup reserved mushroom liquid, mushrooms, salt, and pepper; stir to combine. Return beef to the skillet. Roast in the preheated oven until meat is medium rare, about 45 minutes. An instant-read thermometer inserted into the center should read 130 degrees F (54 degrees C). read more