Creating this delicious Parmesan Crusted Chicken Sheet Pan Dinner is simple when you follow these easy steps:

1. Preheat the Oven: Preheat your oven to 400°F (200°C).
2. Prepare the Chicken: Pat the chicken breasts dry with paper towels. Season with salt and pepper.
3. Make the Coating: In a bowl, combine the grated Parmesan cheese, breadcrumbs, garlic powder, onion powder, Italian seasoning, salt, and pepper.
4. Coat the Chicken: Dip each chicken breast in olive oil, then press into the breadcrumb mixture to coat evenly.
5. Prepare the Vegetables: On a large sheet pan, toss the broccoli, cherry tomatoes, and bell pepper slices with olive oil, salt, and pepper until well coated.
6. Arrange on the Pan: Place the coated chicken breasts on the sheet pan alongside the vegetables, ensuring everything has enough space.
7. Bake: Bake in the preheated oven for 30-35 minutes or until the chicken reaches an internal temperature of 165°F (75°C) and the vegetables are tender.
8. Garnish and Serve: Remove from the oven, let it rest for a few minutes, then garnish with fresh parsley before serving.

These straightforward steps will lead you to a flavorful and satisfying meal that everyone will love!