01 - 
                Preheat the oven to 375°F (190°C).
              
              
              
                02 - 
                In a small bowl, combine the olive oil, garlic powder, onion powder, dried oregano, paprika, salt, and pepper.
              
              
              
                03 - 
                Butterfly the chicken breasts by cutting a slit horizontally through the thickest part, being careful not to cut all the way through. Open the chicken breasts like a book.
              
              
              
                04 - 
                Rub the seasoning mixture all over the chicken breasts.
              
              
              
                05 - 
                In a medium bowl, combine the chopped spinach, diced roasted red peppers, shredded mozzarella, minced garlic, grated Parmesan, salt, and pepper. Mix until well combined.
              
              
              
                06 - 
                Spoon the stuffing mixture evenly into each chicken breast, then fold the chicken over to enclose the filling. Secure with toothpicks if necessary.
              
              
              
                07 - 
                Place the stuffed chicken breasts in a baking dish and bake for 25-30 minutes, or until internal temperature reaches 165°F (74°C).
              
              
              
                08 - 
                If desired, broil for 2-3 minutes to achieve a golden brown top. Remove toothpicks before serving.