Lamb Steak Frites

Directions

1. 1
   Rub the lamb with the cumin and fennel; season with salt and pepper.
2. 2
   In a cast-iron skillet, heat the oil until smoking.
3. 3
   Add the lamb and cook over high heat, turning once, until browned.
4. 4
   Reduce the heat to moderate.
5. 5
   Add the thyme, garlic and 4 tablespoons of the butter and cook for 5 minutes, basting the lamb with the butter.
6. 6
   Turn the steaks and cook, basting, until an instant-read thermometer inserted in the thickest part registers 130, 5 minutes; transfer to a carving board and let rest for 10 minutes.
7. 7
   Thickly slice against the grain.
8. 8
   Pour off all but 1 tablespoon of the fat.
9. 9
   Cook the shallot over moderately high heat until softened.
10. 10
    Add the wine and simmer until syrupy.
11. 11
    Add the stock and simmer until slightly reduced, 3 minutes.
12. 12
    Off the heat, whisk in the remaining 2 tablespoons of butter; season with salt and pepper.
13. 13
    Serve with the lamb and french fries.