Preheat a grill to medium-high heat.
In a mortar, combine the sea salt, black peppercorn, garlic powder, onion powder, fennel seeds, paprika, and chili pepper flakes, and coarsely grind with a pestle.
2 tsp. sea salt, 2 tsp. whole black peppercorn, 1 tsp. garlic powder, 1 tsp. onion powder, 1 tsp. fennel seeds, ⅛ tsp. red chili pepper flakes
Mix all the ingredients for the herb butter and add 1 teaspoon of the steak seasoning.
½ cup butter or ghee, 1 tbsp. fresh rosemary, 2 tbsp. fresh parsley, 1 garlic clove, 1 tbsp. fresh thyme
Season the steaks generously with the remaining steak seasoning on both sides.
2 rib-eye strip steaks cut 1-½″ thick
Grill the steaks for 3 to 5 minutes on each side for medium-rare doneness.
Let the steaks rest for 4 to 5 minutes and top with herb butter before serving.