1Heat coals or gas grill for indirect heat. If using charcoal grill, arrange coals around edge of firebox. Mix all ingredients except bread and olives in medium bowl.
2Place bread, cut sides down, over center of charcoal grill or over unheated side of gas grill and over medium-low heat. Cover and grill 4 to 5 minutes or until toasted.
3Remove bread to cookie sheet; spread toasted sides with cheese mixture. Cover and grill bread, cheese sides up, 5 to 7 minutes or until cheese is hot and melted. Garnish with olives. Cut bread into slices to serve.