Preheat your oven to 425℉.
If using 2 large chicken breasts, slice each piece of chicken into 2 cutlets by placing your hand on top of the chicken breast and running a sharp knife horizontally through the breast, slicing the top and bottom into two thin, even pieces.
Generously salt and pepper the top of each piece of chicken and then sprinkle on 1 teaspoon of Italian seasoning.
Bring a large pot of lightly salted water to boil for your pasta.
In a 12-inch, oven-safe skillet, heat oil over medium-high heat. Once hot, add chicken breasts to the pan, seasoning-side down. Salt and pepper the other side of the chicken breasts and top with remaining 1 teaspoon of Italian seasoning. Cook chicken until the first side is browned, 3 to 4 minutes. Flip the chicken and repeat with the second side.
Remove skillet from heat and pour marinara sauce over the chicken. Use tongs or a fork to pick up each chicken piece and nestle it into the sauce so there is sauce on all sides of the chicken.
Sprinkle ¼ of the cheese on each chicken breast and then place the skillet in the oven. Bake until an instant-read thermometer inserted into the thickest part of the chicken breasts reads 165°F, about 10-20 minutes.* Allow chicken to rest for 5 minutes before serving.
While your chicken bakes and then rests, cook pasta according to packaging instructions.
Serve each chicken breast on a bed of pasta and spoon sauce over the top. Enjoy!