01 -
Heat your oven to 375°F and position the rack right in the middle.
02 -
Sprinkle both sides of each chicken breast with garlic powder, salt, and pepper until evenly coated.
03 -
Heat olive oil in a skillet over medium-high heat. Once hot, add the chicken and cook for about 5 minutes on each side until golden brown. Transfer the seared chicken to a greased 9x13 baking dish.
04 -
Pour marinara sauce over the chicken, making sure to spread it evenly. Sprinkle the parmesan cheese first, then layer the mozzarella on top of each chicken breast.
05 -
Bake uncovered for about 20 minutes. If you're using smaller chicken breasts, reduce the time to 15 minutes.
06 -
Switch to broil for a few minutes until the cheese gets slightly browned and bubbly. Keep an eye on it to prevent burning!
07 -
Let the chicken rest for 5 minutes before serving to keep it juicy. Chicken is ready when it reaches 165°F in the thickest part.