In a small bowl, blend barbecue sauce, hoisin sauce, cilantro, and lime juice well.
Rinse duck breasts and pat dry with paper towels. Spray lightly with olive oil. Place on cooking grate over direct Medium heat. Grill for 4 minutes, then brush liberally with glaze and turn. Place glazed-side down in centre of cooking grate over indirect Medium heat.
Brush tops with glaze and grill for an additional 5 to 8 minutes or until internal temperature registers 160° F (71° C). Brush with glaze once again just before removing from grill.
Servings: