Ingredients:

-4 medium skinless, boneless chicken breast halves (about 1 1/4 pounds)
-2 teaspoons olive oil
-1/2 teaspoon salt
-1/4 teaspoon ground black pepper
-4 ounces part-skim mozzarella cheese (*cut into 1/4 inch-thick slices and each slice cut crosswise in half)
-2 medium tomatoes, cut into 1/4 inch-thick slices
-1/4 cup freshly grated Parmesan cheese
-3/4 loosely packed fresh basil leaves

1. Prepare outdoor grill for direct grilling over medium heat.
2. If necessary, pound chicken breasts to uniform 1/4 inch thickness.
3. Coat chicken with oil and sprinkle with salt and pepper.
4. Place chicken on hot grill rack over medium-high heat and grill 4 minutes.
5. Turn chicken and top with mozzarella, tomatoes, and Parmesan.
6. Cook until juices run clear when chicken is pierced with tip of knife, 4 to 6 minutes longer.
7. Transfer chicken to platter and top with basil leaves.