Creating Pizza Chicken Bake is straightforward if you follow these simple steps:

1. Preheat the Oven: Preheat your oven to 375°F (190°C).
2. Prepare Chicken: Cut the chicken breasts into bite-sized pieces. Season with salt, pepper, and Italian seasoning.
3. Sauté Chicken: In a skillet, heat the olive oil over medium heat. Add the chicken pieces and cook until browned, about 5-7 minutes. Remove from heat.
4. Combine Ingredients: In a large bowl, mix the cooked chicken, marinara sauce, bell peppers, and half of the mozzarella cheese.
5. Transfer to Baking Dish: Pour the chicken mixture into a greased baking dish. Spread it evenly.
6. Add Toppings: Top with remaining mozzarella cheese, pepperoni slices, and black olives.
7. Bake: Place in the preheated oven and bake for 30-35 minutes or until the cheese is bubbly and golden brown.
8. Cool: Remove from the oven and let it cool for 5-10 minutes before serving.
9. Garnish: Sprinkle with fresh basil if desired for an extra touch of flavor.

Following these steps will guide you in creating this incredible Pizza Chicken Bake with ease and confidence.