1: Season the prime rib eye steak with SPG and let it rest to room temperature.
2: Preheat a Lodge cast iron pan until it's at least 600 degrees Fahrenheit.
3: Place the steak flat on one side for about 3 minutes without touching it until a crust forms.
4: Turn the steak and sear the edges before flipping it.
5: Lower the heat to medium and add butter, garlic, and fresh rosemary to the pan.
6: Baste the steak with the mixture, then remove it from the heat and let it rest for at least 5 minutes.
7: For the potatoes, score, season, and sear them, then roast at 425 degrees Fahrenheit for about 20 minutes until crispy.
8: Top the potatoes with sour cream and crispy bacon before serving.
