One-Pan Baked Chicken Parmesan

Ingredients

• 1 large egg
• 1/2 cup panko bread crumbs
• 1/2 cup grated Parmesan cheese
• 1/2 teaspoon salt
• 1 teaspoon pepper
• 1 teaspoon garlic powder
• 4 boneless skinless chicken breast halves (6 ounces each)
• Olive oil-flavored cooking spray
• 4 cups fresh or frozen broccoli florets (about 10 ounces)
• 1 cup marinara sauce
• 1 cup shredded mozzarella cheese
• 1/4 cup minced fresh basil, optional