01 - Preheat oven to 425°F. Line a baking sheet with parchment paper or aluminum foil and set aside.
02 - Pat the chicken thighs thoroughly dry with paper towels and place them in a large mixing bowl.
03 - Drizzle the olive oil over the chicken thighs and toss until every piece is evenly coated.
04 - In a small bowl, combine the kosher salt, black pepper, paprika, garlic powder, onion powder, dried thyme, and dried oregano. Mix well.
05 - Sprinkle the spice blend generously over the chicken thighs, turning each piece to ensure full, even coverage on all sides.
06 - Place the seasoned chicken thighs skin side up on the prepared baking sheet, spacing them apart so air can circulate around each piece.
07 - Bake for 35 to 40 minutes, or until the skin is deeply golden and crisp and an instant-read meat thermometer inserted into the thickest part registers 165°F.
08 - Remove the baking sheet from the oven and let the chicken rest for 5 minutes. Garnish with chopped fresh parsley and serve alongside lemon wedges if desired.