Directions1. Rub olive oil lightly on fillets and place in iron skillet on medium heat until desired temperature.
2. Place fillets over crunchy onions (onion slices dredged in flour and deep fried). In separate skillet sauté mushrooms in olive oil, add Jack Daniel's (flambé) add beef stock and bring to a boil.
3. Add slurry to sauce and tighten to a medium consistency. Add atop heart shaped tenderloin fillets. Enjoy!