Pat the chicken thighs dry with paper towels.
In a small bowl, combine the garlic powder, onion powder, paprika, Italian seasoning, salt, and black pepper.
Rub the chicken thighs with olive oil, then season both sides evenly with the spice mixture.
Heat a large skillet over medium-high heat.
Sear the chicken thighs for 5 to 6 minutes per side until golden brown and nearly cooked through. Transfer them to a plate.
Reduce the heat to medium and melt the butter in the same skillet.
Add the minced garlic and dried thyme. Cook for 30 to 60 seconds, stirring constantly until fragrant.
Stir in the lemon juice and scrape up any browned bits from the bottom of the skillet.
Return the chicken thighs to the skillet and spoon the garlic butter sauce over them.
Cook for 3 to 5 minutes, basting the chicken occasionally, until it reaches an internal temperature of 165°F (74°C).
Sprinkle with chopped fresh parsley and serve immediately with lemon wedges if desired.