Creating the Greek Sheet Pan Chicken Dinner is straightforward if you follow these simple steps:

1. Preheat Oven: Preheat your oven to 425°F (220°C). Line a large baking sheet with parchment paper for easy cleanup.
2. Prepare Chicken: Place the chicken thighs in a mixing bowl. Add olive oil, garlic, oregano, thyme, lemon juice, salt, and pepper. Toss until the chicken is well coated.
3. Add Vegetables: In a separate bowl, combine the bell peppers, onion, cherry tomatoes, and olives. Drizzle with olive oil, salt, and pepper, and toss to mix.
4. Arrange on Sheet Pan: Spread the chicken evenly on one side of the prepared baking sheet. On the other side, arrange the seasoned vegetables.
5. Bake: Place the sheet pan in the preheated oven. Bake for 40-45 minutes or until the chicken is cooked through and vegetables are tender.
6. Check for Doneness: The chicken should reach an internal temperature of 165°F (75°C). If needed, broil for an additional 2-3 minutes for a crispy finish.
7. Garnish: Remove from the oven and let cool for a few minutes. Garnish with freshly chopped parsley before serving.
8. Serve: Transfer the chicken and vegetables to serving plates, enjoying the colorful presentation.

This delightful recipe is sure to please even the pickiest eaters, creating a memorable meal that everyone will love.