Preheat & Prep – Preheat the oven to 375°F. Pat the chicken dry.
Score & Season – Lightly score the chicken and season with salt, pepper, Italian seasoning, onion powder, and garlic powder. Drizzle with olive oil.
Make the Sauce – In a bowl, mix chopped tomatoes, garlic, red onion, oregano, salt, and pepper.
Assemble – Pour the tomato mixture over the chicken in a baking dish, then top with mozzarella.
Bake – Bake for 25-30 minutes until the chicken is cooked through and the cheese is bubbly. Broil for 2-3 minutes for a golden finish.
Garnish & Serve – Top with fresh basil leaves and enjoy!