Place muffin pan on unheated side of two-burner gas grill with one burner heated to medium. (For one-burner gas grill, place pan on grill over low heat. For charcoal grill, move medium coals to edge of firebox; place pan on grill rack.) Cover grill; cook about 17 minutes or until filling is set and crusts are golden brown. Cool 5 minutes; remove from pan to cooling rack. Cool completely.