Season the steaks with the kosher salt and black pepper.
Place a grill pan over medium-high heat and drizzle the olive oil on 1 side of both steaks.
Place the steaks, oil side down in the grill pan.
Cook without moving for 5 minutes.
Turn the steaks 90 degrees and continue to cook another 5 minutes, (while the steaks are cooking, combine the butter, rosemary, shallots, iodized salt and white pepper in a bowl and mix to combine).
Turn the steaks over and place half of the rosemary-shallot butter over each steak.
Continue to cook for 3 minutes for medium-rare, or 4 minutes for medium.
Remove the steaks from the grill pan and serve immediately.