01 -
Preheat your oven to 375°F and position the rack in the middle.
02 -
Take each chicken breast and generously season both sides with garlic powder, salt, and pepper.
03 -
Heat olive oil in a skillet over medium-high heat. Once hot, sear the chicken for about 5 minutes on each side until golden brown. Transfer the seared chicken to a greased 9x13 baking dish.
04 -
Pour the marinara sauce over the chicken, using a spoon to spread it evenly over and around the pieces.
05 -
Sprinkle first the parmesan, then the mozzarella cheese evenly over the chicken breasts.
06 -
Bake uncovered for about 20 minutes (reduce to 15 minutes for smaller chicken breasts). Then broil for a few minutes until the cheese gets lightly golden brown - keep a close eye on it!
07 -
Let the chicken rest for 5 minutes before serving to ensure it stays juicy. The chicken is ready when it reaches 165°F in the thickest part.