01 -
Preheat your oven to 200°C (400°F). Line a baking sheet with foil and spray with cooking spray.
02 -
Heat the olive oil in a pan over medium heat. Cook the onion and garlic until softened, about 5 minutes. Let this cool completely.
03 -
In a large bowl, combine the ground chicken, cooled onion mixture, breadcrumbs, milk, Parmesan, egg, parsley, Italian seasoning, and salt. Mix just until combined – don't overmix.
04 -
Pat two-thirds of the chicken mixture onto the prepared baking sheet, forming a rectangle about 20 cm × 10 cm. Arrange the mozzarella cheese string pieces down the centre, then top with the remaining chicken mixture. Shape into a proper loaf, sealing the cheese inside.
05 -
Spread the marinara sauce over the top of the meatloaf. Bake for 45 minutes.
06 -
Meanwhile, mix together the panko breadcrumbs, Parmesan, melted butter, and parsley for the topping.
07 -
After 45 minutes, remove the meatloaf from the oven. Top with the shredded mozzarella, then sprinkle over the breadcrumb mixture.
08 -
Return to the oven and bake for another 15-20 minutes until the topping is golden and the centre reaches 74°C (165°F).
09 -
Let the meatloaf rest for 10 minutes before slicing and serving.