01 -
Combine cooked spinach, softened cream cheese, shredded mozzarella, grated Parmesan, and minced garlic in a bowl until evenly mixed.
02 -
Slice each chicken breast horizontally to create a pocket without cutting all the way through.
03 -
Season both inside and outside of each chicken breast with salt, black pepper, paprika, and Italian seasoning.
04 -
Fill each chicken breast pocket with the spinach and cheese mixture, securing with toothpicks if necessary.
05 -
Heat olive oil or butter in a skillet over medium-high heat and sear stuffed chicken breasts for 3 to 4 minutes per side until golden brown.
06 -
Transfer seared chicken to a preheated oven at 375°F (190°C) and bake for 15 to 20 minutes until internal temperature reaches 165°F (74°C).
07 -
Remove toothpicks, let chicken rest for 3 to 5 minutes before slicing, then serve with preferred side dishes.