01 -
Heat oven to 190°C (375°F).
02 -
In a large bowl, combine fresh spinach, cream cheese, mozzarella, Parmesan, feta, sun-dried tomatoes, half the Italian seasoning, garlic powder, salt, and pepper. Mash with a fork until the cream cheese is incorporated and the mixture binds together easily.
03 -
Season the chicken breasts with the remaining Italian seasoning, paprika, salt, and pepper.
04 -
Cut a horizontal slit in the side of each chicken breast to create a pocket for stuffing.
05 -
Divide the filling evenly between the chicken breasts, stuffing each pocket as full as possible.
06 -
Heat olive oil in a large oven-safe sauté pan over medium heat. Sear the chicken for 6-8 minutes on each side until a golden brown crust forms. Work in batches if necessary.
07 -
Transfer the sauté pan to the preheated oven and bake for 15-20 minutes, or until chicken is cooked through and reaches an internal temperature of 74°C (165°F) at its thickest part.
08 -
Garnish with fresh parsley and additional crumbled feta if desired before serving.