1-Preheat your oven to 400°F (200°C) and: Preheat your oven to 400°F (200°C) and prepare a baking dish by lightly greasing it with olive oil or cooking spray.
2-Place chicken breasts between two sheets of: Place chicken breasts between two sheets of plastic wrap. Use a meat mallet to pound them to an even thickness for uniform cooking.
3-Season both sides of the chicken with: Season both sides of the chicken with salt and black pepper.
4-Set up three bowls: Set up three bowls: one with flour, one with beaten eggs, and the third with breadcrumbs mixed with oregano and garlic powder.
5-Dredge each chicken breast in flour, shaking: Dredge each chicken breast in flour, shaking off excess. Then dip in beaten eggs, followed by coating with breadcrumbs until well covered.
6-In a large skillet over medium heat,: In a large skillet over medium heat, add olive oil. Once hot, add chicken breasts and cook for 5-6 minutes on each side until golden brown and crispy.
7-Place the fried chicken in the greased: Place the fried chicken in the greased baking dish, ensuring they are arranged without overlapping.
8-Spoon marinara sauce evenly over each piece: Spoon marinara sauce evenly over each piece of chicken. Top generously with shredded mozzarella and grated Parmesan cheese.
9-Place the baking dish in the oven: Place the baking dish in the oven and bake for 20 minutes, or until the cheese is bubbly and golden.
10-After taking it out, allow the Chicken: After taking it out, allow the Chicken Parmesan to rest for 10 minutes. This helps the flavors to meld together and makes it easier to serve.