Brush salmon with 2 teaspoons melted ghee. Season flesh side with salt and pepper, then press flesh side in sesame seeds, turn and press skin side in sesame seeds to coat.
Heat a large skillet over medium heat until very hot, about 2-3 minutes.
Add remaining 1 tablespoon coconut oil and swirl to coat.
Add fillets flesh side down and cook without moving until flesh side is golden brown, about 3-4 minutes.
Turn fillets and cook, without moving, about 3 more minutes until skin side is golden brown.