3/4 cup Hellmann's® or Best Foods® Real Mayonnaise
1/3 cup grated Parmesan cheese
4 boneless, skinless chicken breast halves (about 1-1/4 lbs.)
Combine Hellmann's® or Best Foods® Real Mayonnaise with cheese in medium bowl; reserve 1/4 cup.
Grill chicken, turning once and brushing frequently with Mayonnaise mixture during last 5 minutes, until chicken is almost cooked, about 10 minutes. Evenly top with reserved mayonnaise mixture. Grill covered until chicken is thoroughly cooked and topping is golden, about 2 minutes.