Instructions

1. 1
   Heat a 10-inch cast iron skillet over high heat for 7–10 minutes.
2. 2
   Meanwhile, brush steaks with Dijon mustard. Combine seasonings and press into meat. Brush with olive oil.
3. 3
   Place steaks in pan and cook 2 minutes per side. Insert a probe thermometer into one of the steaks.
4. 4
   Place the pan in a 375°F oven and cook until internal temperature reaches 140°F.
5. 5
   Remove steaks from pan and keep warm.
6. 6
   Heat pan over high heat 4 minutes. Turn off the heat and add the cognac. If the pan is hot enough, the alcohol will ignite by itself. If not, carefully light with a long match or firestick. Shake pan until flames die.
7. 7
   Once flames die, return pan to high heat. Boil until reduced by half.
8. 8
   Drizzle over steaks and serve warm.