Servings: 4 / Total Time: 50 mins
4 tbsp. extra-virgin olive oil
Juice of 1 lemon, divided
Freshly ground black pepper
1 tsp. Italian seasoning
4 boneless skinless chicken breasts, pounded to even thickness
3 roma tomatoes, diced
2 cloves garlic, minced
1 tbsp. freshly chopped basil
4 slices mozzarella
Freshly grated Parmesan, for serving
In a small bowl, combine oil, half the lemon juice, 1 teaspoon salt, 1/4 teaspoon pepper, and Italian seasoning and whisk to combine. Transfer to a large re-sealable bag along with chicken; seal and chill, 30 minutes.
Transfer chicken to a preheated grill and discard excess marinade. Grill chicken over medium-high heat until cooked through, 5 to 7 minutes per side.
Meanwhile, combine tomatoes, garlic, chopped basil, and remaining lemon juice, and season with salt and pepper. While chicken is still on grill, top each breast with 1 slice mozzarella and cover grill until cheese is melted, 2 to 3 minutes. Top chicken with tomato mixture.
Sprinkle with freshly grated Parmesan and serve.