Preheat the oven to 375F.
Take your chicken breasts and make cuts in the top part without fully cutting through.
Place your chicken breasts into a baking dish. Sprinkle with garlic powder, onion powder, Italian seasoning, salt and black pepper.
Drizzle with olive oil.
In a bowl mix together sauce ingredients: chopped tomatoes, minced garlic, red onion, oregano, salt and black pepper.
Cover chicken breasts with tomato sauce and sprinkle with grated mozzarella.
Bake in the oven for 25-30 minutes. Broil for 4 minutes afterwards.
Serve with chopped basil sprinkled over the top.
