1Heat closed medium-size contact grill for 5 to 10 minutes. Sprinkle chicken with chili powder, cumin, garlic pepper and salt. Place chicken on grill. Close grill. Grill 6 to 8 minutes or until juice of chicken is no longer pink when centers of thickest pieces are cut.
2Meanwhile, in small microwavable bowl, mix jelly and lime juice. Microwave uncovered on High 40 to 60 seconds, stirring every 20 seconds, until melted and smooth. Stir in cilantro.
3To serve, spoon warm jelly mixture over chicken.