1Heat gas or charcoal grill. In small bowl, mix all ingredients except bread.
2Place bread halves, cut sides down, on grill over medium heat. Cover grill; cook 3 to 5 minutes or until lightly toasted.
3Spread cheese mixture on toasted sides of bread halves. Place bread, cheese side up, on grill. Cover grill; cook 10 to 15 minutes, or until cheese bubbles and begins to brown.