01 - Preheat the oven to 425°F. Line a large baking sheet with parchment paper or foil.
02 - In a large bowl, whisk together olive oil, oregano, thyme, smoked paprika, garlic, salt, and pepper.
03 - Add chicken thighs to the bowl and coat thoroughly with the marinade.
04 - Arrange the chicken thighs, skin side up, on the prepared sheet pan.
05 - Scatter red onion, bell pepper, artichoke hearts, olives, and lemon slices around and under the chicken.
06 - Drizzle any remaining marinade over the vegetables.
07 - Roast in the preheated oven for 35 minutes, or until the chicken skin is golden and the internal temperature reaches 165°F.
08 - Remove from the oven, sprinkle with fresh parsley, and serve hot.