01 - Pat chicken breasts completely dry using paper towels to ensure proper seasoning adhesion
02 - Combine smoked paprika, garlic powder, onion powder, thyme, oregano, cayenne, black pepper, and salt in a small bowl
03 - Brush both sides of each chicken breast with olive oil or melted butter, then press spice mixture evenly onto surfaces
04 - Preheat cast-iron skillet over medium-high heat until thoroughly hot, approximately 3 minutes
05 - Place chicken in hot skillet without disturbing for 4-5 minutes until deeply browned crust develops
06 - Flip chicken and continue cooking 4-5 minutes until internal temperature reaches 165°F
07 - Transfer chicken to cutting board and let rest for 3 minutes before serving
08 - Serve whole or sliced with fresh lemon wedges