Steps
1. Preheat the oven to 375°F (190°C).
2. Cut a pocket into the side of the chicken breast.
3. Season the chicken with salt and pepper.
4. Stuff the chicken breast with tomato slices and mozzarella cheese.
5. Heat olive oil in an oven-safe pan over medium-high heat.
6. Sear the chicken breast until golden brown on both sides.
7. Transfer the pan to the oven and bake for 15-20 minutes or until the chicken is cooked through.
8. Garnish with fresh basil leaves before serving.