01 - 
                Preheat your oven to 400°F (200°C) for optimal baking temperature.
              
              
              
                02 - 
                In a mixing bowl, combine softened cream cheese, shredded mozzarella, grated Parmesan, Italian seasoning, garlic powder, and optional red pepper flakes until smooth and creamy.
              
              
              
                03 - 
                Place a teaspoon of the cheese mixture in the center of a pepperoni slice, then top with another slice to form a mini sandwich.
              
              
              
                04 - 
                Arrange the assembled pepperoni bites on a lined baking sheet, leaving space between each.
              
              
              
                05 - 
                Bake for 12-15 minutes until the pepperoni is crispy and the cheese is melted and bubbly.
              
              
              
                06 - 
                Allow to cool for a few minutes before garnishing with fresh parsley.
              
              
              
                07 - 
                Serve warm with marinara sauce for dipping.